Use gpgrt_b64* API of libgpg-error.

* common/Makefile.am (common_sources): Remove b64enc.c and b64dec.c.
(module_maint_tests): Remove t-b64.
(t_b64_LDADD): Remove.
* common/util.h: Remove the internal API.
* common/ssh-utils.c (get_fingerprint): Use the gpgrt_b64 API.
(ssh_public_key_in_base64): Likewise.
* dirmngr/crlfetch.c (my_es_read, crl_close_reader): Likewise.
* dirmngr/dirmngr-client.c (data_cb, do_lookup): Likewise.
* dirmngr/misc.c (armor_data): Likewise.
* g10/export.c (export_one_ssh_key, export_secret_ssh_key): Likewise.
* tools/gpg-card.c (cmd_writecert): Likewise.
* tools/mime-parser.c (parse_message_cb, mime_parser_release)
(process_part_data): Likewise.
* tools/wks-util.c (wks_armor_key): Likewise.

--

GnuPG-bug-id: 6734
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>

dirmngr/crlfetch.c

@@ -39,10 +39,10 @@
    2008) we need a context in the reader callback.  */
 struct reader_cb_context_s
 {
-  estream_t fp;             /* The stream used with the ksba reader.  */
-  int checked:1;            /* PEM/binary detection ahs been done.    */
-  int is_pem:1;             /* The file stream is PEM encoded.        */
-  struct b64state b64state; /* The state used for Base64 decoding.    */
+  estream_t fp;           /* The stream used with the ksba reader.   */
+  unsigned int checked:1; /* PEM/binary detection ahs been done.     */
+  unsigned int is_pem:1;  /* The file stream is PEM encoded.         */
+  gpgrt_b64state_t b64state; /* The state used for Base64 decoding.  */
 };
 
 
@@ -126,14 +126,16 @@ my_es_read (void *opaque, char *buffer, size_t nbytes, size_t *nread)
       else
         {
           cb_ctx->is_pem = 1;
-          b64dec_start (&cb_ctx->b64state, "");
+          cb_ctx->b64state = gpgrt_b64dec_start ("");
+          if (!cb_ctx->b64state)
+            return gpg_error_from_syserror ();
         }
     }
   if (cb_ctx->is_pem && *nread)
     {
       size_t nread2;
 
-      if (b64dec_proc (&cb_ctx->b64state, buffer, *nread, &nread2))
+      if (gpgrt_b64dec_proc (cb_ctx->b64state, buffer, *nread, &nread2))
         {
           /* EOF from decoder. */
           *nread = 0;
@@ -581,7 +583,7 @@ crl_close_reader (ksba_reader_t reader)
         es_fclose (cb_ctx->fp);
       /* Release the base64 decoder state.  */
       if (cb_ctx->is_pem)
-        b64dec_finish (&cb_ctx->b64state);
+        gpgrt_b64dec_finish (cb_ctx->b64state);
       /* Release the callback context.  */
       xfree (cb_ctx);
     }

dirmngr/dirmngr-client.c

@@ -441,11 +441,11 @@ static gpg_error_t
 data_cb (void *opaque, const void *buffer, size_t length)
 {
   gpg_error_t err;
-  struct b64state *state = opaque;
+  gpgrt_b64state_t state = opaque;
 
   if (buffer)
     {
-      err = b64enc_write (state, buffer, length);
+      err = gpgrt_b64enc_write (state, buffer, length);
       if (err)
         log_error (_("error writing base64 encoding: %s\n"),
                    gpg_strerror (err));
@@ -853,14 +853,14 @@ do_lookup (assuan_context_t ctx, const char *pattern)
   gpg_error_t err;
   const unsigned char *s;
   char *line, *p;
-  struct b64state state;
+  gpgrt_b64state_t state;
 
   if (opt.verbose)
     log_info (_("looking up '%s'\n"), pattern);
 
-  err = b64enc_start (&state, stdout, NULL);
-  if (err)
-    return err;
+  state = gpgrt_b64enc_start (es_stdout, NULL);
+  if (!state)
+    return gpg_error_from_syserror ();
 
   line = xmalloc (10 + 6 + 13 + strlen (pattern)*3 + 1);
 
@@ -885,13 +885,13 @@ do_lookup (assuan_context_t ctx, const char *pattern)
 
 
   err = assuan_transact (ctx, line,
-                         data_cb, &state,
+                         data_cb, state,
                          NULL, NULL,
                          status_cb, NULL);
   if (opt.verbose > 1)
     log_info ("response of dirmngr: %s\n", err? gpg_strerror (err): "okay");
 
-  err = b64enc_finish (&state);
+  err = gpgrt_b64enc_finish (state);
 
   xfree (line);
   return err;

dirmngr/misc.c

@@ -583,7 +583,7 @@ gpg_error_t
 armor_data (char **r_string, const void *data, size_t datalen)
 {
   gpg_error_t err;
-  struct b64state b64state;
+  gpgrt_b64state_t b64state;
   estream_t fp;
   long length;
   char *buffer;
@@ -595,9 +595,15 @@ armor_data (char **r_string, const void *data, size_t datalen)
   if (!fp)
     return gpg_error_from_syserror ();
 
-  if ((err=b64enc_start_es (&b64state, fp, "PGP PUBLIC KEY BLOCK"))
-      || (err=b64enc_write (&b64state, data, datalen))
-      || (err = b64enc_finish (&b64state)))
+  b64state = gpgrt_b64enc_start (fp, "PGP PUBLIC KEY BLOCK");
+  if (!b64state)
+    {
+      es_fclose (fp);
+      return gpg_error_from_syserror ();
+    }
+
+  if ((err = gpgrt_b64enc_write (b64state, data, datalen))
+      || (err = gpgrt_b64enc_finish (b64state)))
     {
       es_fclose (fp);
       return err;