*/
#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"
*/
struct ossl_store_loader_ctx_st {
- BIO *file;
- int is_pem;
+ enum {
+ is_raw = 0,
+ is_pem,
+ is_dir
+ } type;
int errcnt;
-
- /* The following are used when the handler is marked as repeatable */
- const FILE_HANDLER *last_handler;
- void *last_handler_ctx;
+ 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 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;
}
OSSL_STORE_INFO_free(result);
result = NULL;
} else {
- ctx->last_handler = matching_handlers[0];
- ctx->last_handler_ctx = handler_ctx;
+ ctx->_.file.last_handler = matching_handlers[0];
+ ctx->_.file.last_handler_ctx = handler_ctx;
}
}
{
OSSL_STORE_INFO *result = NULL;
- if (ctx->last_handler != NULL) {
- result = ctx->last_handler->try_decode(NULL, NULL, NULL, 0,
- &ctx->last_handler_ctx,
- ui_method, ui_data);
+ if (ctx->_.file.last_handler != NULL) {
+ result =
+ ctx->_.file.last_handler->try_decode(NULL, NULL, NULL, 0,
+ &ctx->_.file.last_handler_ctx,
+ ui_method, ui_data);
if (result == NULL) {
- ctx->last_handler->destroy_ctx(&ctx->last_handler_ctx);
- ctx->last_handler_ctx = NULL;
- ctx->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;
}
}
return result;
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;
- result = file_load_try_repeat(ctx, ui_method, ui_data);
- if (result != NULL)
- return result;
+ if (ctx->type == is_dir) {
+ do {
+ char *newname = NULL;
- if (file_error(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 */
-
- if (ctx->is_pem) {
- if (!file_read_pem(ctx->file, &pem_name, &pem_header, &data, &len,
- ui_method, ui_data)) {
- 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 err;
+ 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;
}
- } else {
- if (!file_read_asn1(ctx->file, &data, &len)) {
- if (!file_eof(ctx))
- ctx->errcnt++;
- goto err;
+
+ if (ctx->_.dir.last_entry[0] != '.'
+ && !file_name_to_uri(ctx, ctx->_.dir.last_entry, &newname))
+ return NULL;
+
+ /*
+ * 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.
+ */
+ 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;
- matchcount = -1;
- result = file_load_try_decode(ctx, pem_name, pem_header, data, len,
- ui_method, ui_data, &matchcount);
+ result = file_load_try_repeat(ctx, ui_method, ui_data);
+ if (result != NULL)
+ return result;
- err:
- OPENSSL_free(pem_name);
- OPENSSL_free(pem_header);
- OPENSSL_free(data);
- } while (matchcount == 0 && !file_eof(ctx) && !file_error(ctx));
+ if (file_error(ctx))
+ return NULL;
- /* We bail out on ambiguity */
- if (matchcount > 1)
- 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)) {
+ if (!file_eof(ctx))
+ ctx->errcnt++;
+ goto err;
+ }
+ } else {
+ if (!file_read_asn1(ctx->_.file.file, &data, &len)) {
+ if (!file_eof(ctx))
+ ctx->errcnt++;
+ goto err;
+ }
+ }
+
+ result = file_load_try_decode(ctx, pem_name, pem_header, data, len,
+ ui_method, ui_data, &matchcount);
+
+ err:
+ OPENSSL_free(pem_name);
+ OPENSSL_free(pem_header);
+ OPENSSL_free(data);
+ } while (matchcount == 0 && !file_eof(ctx) && !file_error(ctx));
+
+ /* We bail out on ambiguity */
+ if (matchcount > 1)
+ return NULL;
+ }
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;
}
projects / openssl.git / commitdiff