*/
#include <string.h>
+#include <sys/stat.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/o_dir.h"
+#include "internal/cryptlib.h"
#include "store_locl.h"
#include "e_os.h"
* 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);
/*
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
+ int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
X509 *cert = NULL;
STACK_OF(X509) *chain = NULL;
+ *matchcount = 1;
+
if (PKCS12_verify_mac(p12, "", 0)
|| PKCS12_verify_mac(p12, NULL, 0)) {
pass = "";
return NULL;
}
- if (ctx != NULL)
+ if (ctx != NULL) {
+ *matchcount = 1;
store_info = sk_OSSL_STORE_INFO_shift(ctx);
+ }
return store_info;
}
1 /* repeatable */
};
+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
+};
+
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)
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;
}
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) {
+ if (pem_name != NULL) {
+ if ((slen = pem_check_suffix(pem_name, "PARAMETERS")) == 0)
+ return NULL;
+ *matchcount = 1;
+ }
+
+ if ((pkey = EVP_PKEY_new()) == NULL) {
OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
return NULL;
}
- if (pem_name != NULL) {
- int slen;
-
- if ((slen = pem_check_suffix(pem_name, "PARAMETERS")) > 0
- && EVP_PKEY_set_type_str(pkey, pem_name, slen)
+ if (slen > 0) {
+ 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))
int i;
for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
+ const unsigned char *tmp_blob = blob;
+
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
&& ameth->param_decode != NULL
- && ameth->param_decode(pkey, &blob, len)) {
+ && ameth->param_decode(pkey, &tmp_blob, len)) {
+ (*matchcount)++;
ok = 1;
break;
}
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);
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);
static const FILE_HANDLER *file_handlers[] = {
&PKCS12_handler,
+ &PKCS8Encrypted_handler,
&X509Certificate_handler,
&X509CRL_handler,
¶ms_handler,
*/
struct ossl_store_loader_ctx_st {
- BIO *file;
- int is_pem;
+ enum {
+ is_raw = 0,
+ is_pem,
+ is_dir
+ } type;
int errcnt;
+ 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;
- /* The following are used when the handler is marked as repeatable */
- const FILE_HANDLER *last_handler;
- void *last_handler_ctx;
+ /*
+ * 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;
+ } _;
};
+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;
+ struct stat st;
const char *path = NULL;
if (strncasecmp(uri, "file:", 5) == 0) {
}
+ if (stat(path, &st) < 0) {
+ SYSerr(SYS_F_STAT, errno);
+ ERR_add_error_data(1, path);
+ return NULL;
+ }
+
ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx == NULL) {
OSSL_STOREerr(OSSL_STORE_F_FILE_OPEN, ERR_R_MALLOC_FAILURE);
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];
+
+ 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 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) {
+ if (matching_handlers)
+ 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 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 i = 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_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_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->errcnt++;
- goto err;
- }
- }
- } else {
- if ((len = asn1_d2i_read_bio(ctx->file, &mem)) < 0) {
- if (!file_eof(ctx))
- ctx->errcnt++;
- goto err;
+ 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;
- data = (unsigned char *)mem->data;
- len = (long)mem->length;
- }
+ result = file_load_try_repeat(ctx, ui_method, ui_data);
+ if (result != NULL)
+ return result;
- result = NULL;
+ if (file_eof(ctx))
+ return NULL;
- {
- size_t i = 0;
- void *handler_ctx = NULL;
- const FILE_HANDLER **matching_handlers =
- OPENSSL_zalloc(sizeof(*matching_handlers)
- * OSSL_NELEM(file_handlers));
+ 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 */
- if (matching_handlers == NULL) {
- OSSL_STOREerr(OSSL_STORE_F_FILE_LOAD, ERR_R_MALLOC_FAILURE);
- goto err;
+ 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->errcnt++;
+ goto endloop;
+ }
+ } else {
+ if (!file_read_asn1(ctx->_.file.file, &data, &len)) {
+ ctx->errcnt++;
+ 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;
- }
- }
+ result = file_load_try_decode(ctx, pem_name, pem_header, data, len,
+ ui_method, ui_data, &matchcount);
+
+ if (result != NULL)
+ goto endloop;
+
+ /*
+ * 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();
-
- err:
- OPENSSL_free(pem_name);
- OPENSSL_free(pem_header);
- if (mem == NULL)
+ endloop:
+ OPENSSL_free(pem_name);
+ OPENSSL_free(pem_header);
OPENSSL_free(data);
- else
- BUF_MEM_free(mem);
- } while (matchcount == 0 && !file_eof(ctx) && !file_error(ctx));
+ } 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;
+ }
- 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;
}
static OSSL_STORE_LOADER file_loader =
{
"file",
+ NULL,
file_open,
NULL,
file_load,
projects / openssl.git / blobdiff