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>

10 files changed, 75 insertions, 99 deletions

diff --git a/common/Makefile.am b/common/Makefile.am
index 0d5af3e5c..189874ab5 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -65,7 +65,7 @@ common_sources = \
 	homedir.c \
 	gettime.c gettime.h \
 	yesno.c \
-	b64enc.c b64dec.c zb32.c zb32.h \
+	zb32.c zb32.h \
 	convert.c \
 	percent.c \
 	mbox-util.c mbox-util.h \
@@ -169,7 +169,7 @@ module_tests += t-exectool
 endif
 
 if MAINTAINER_MODE
-module_maint_tests = t-helpfile t-b64
+module_maint_tests = t-helpfile
 else
 module_maint_tests =
 endif
@@ -196,7 +196,6 @@ t_gettime_LDADD = $(t_common_ldadd)
 t_sysutils_LDADD = $(t_common_ldadd)
 t_helpfile_LDADD = $(t_common_ldadd)
 t_sexputil_LDADD = $(t_common_ldadd)
-t_b64_LDADD = $(t_common_ldadd)
 t_exechelp_LDADD = $(t_common_ldadd)
 t_exectool_LDADD = $(t_common_ldadd)
 t_session_env_LDADD = $(t_common_ldadd)
diff --git a/common/ssh-utils.c b/common/ssh-utils.c
index ab29558cf..d27e2e200 100644
--- a/common/ssh-utils.c
+++ b/common/ssh-utils.c
@@ -259,7 +259,7 @@ get_fingerprint (gcry_sexp_t key, int algo,
         }
       else
         {
-          struct b64state b64s;
+          gpgrt_b64state_t b64s;
           estream_t stream;
           char *p;
           long int len;
@@ -273,15 +273,15 @@ get_fingerprint (gcry_sexp_t key, int algo,
               goto leave;
             }
 
-          err = b64enc_start_es (&b64s, stream, "");
-          if (err)
+          b64s = gpgrt_b64enc_start (stream, "");
+          if (!b64s)
             {
               es_fclose (stream);
               goto leave;
             }
 
-          err = b64enc_write (&b64s,
-                              gcry_md_read (md, algo), gcry_md_get_algo_dlen (algo));
+          err = gpgrt_b64enc_write (b64s, gcry_md_read (md, algo),
+                                    gcry_md_get_algo_dlen (algo));
           if (err)
             {
               es_fclose (stream);
@@ -289,7 +289,7 @@ get_fingerprint (gcry_sexp_t key, int algo,
             }
 
           /* Finish, get the length, and close the stream.  */
-          err = b64enc_finish (&b64s);
+          err = gpgrt_b64enc_finish (b64s);
           len = es_ftell (stream);
           es_fclose (stream);
           if (err)
@@ -566,7 +566,7 @@ ssh_public_key_in_base64 (gcry_sexp_t key, estream_t stream,
   const char *identifier = NULL;
   void *blob = NULL;
   size_t bloblen;
-  struct b64state b64_state;
+  gpgrt_b64state_t b64_state;
 
   algo = get_pk_algo_from_key (key);
   if (algo == 0)
@@ -624,15 +624,15 @@ ssh_public_key_in_base64 (gcry_sexp_t key, estream_t stream,
 
   es_fprintf (stream, "%s ", identifier);
 
-  err = b64enc_start_es (&b64_state, stream, "");
-  if (err)
+  b64_state = gpgrt_b64enc_start (stream, "");
+  if (!b64_state)
     {
       es_free (blob);
-      return err;
+      return gpg_error_from_syserror ();
     }
 
-  err = b64enc_write (&b64_state, blob, bloblen);
-  b64enc_finish (&b64_state);
+  err = gpgrt_b64enc_write (b64_state, blob, bloblen);
+  gpgrt_b64enc_finish (b64_state);
   es_free (blob);
   if (err)
     return err;
diff --git a/common/util.h b/common/util.h
index 6b948510e..764030ad8 100644
--- a/common/util.h
+++ b/common/util.h
@@ -143,35 +143,6 @@ ssize_t read_line (FILE *fp,
                    char **addr_of_buffer, size_t *length_of_buffer,
                    size_t *max_length);
 
-
-/*-- b64enc.c and b64dec.c --*/
-struct b64state
-{
-  unsigned int flags;
-  int idx;
-  int quad_count;
-  FILE *fp;
-  estream_t stream;
-  char *title;
-  unsigned char radbuf[4];
-  u32 crc;
-  int stop_seen:1;
-  int invalid_encoding:1;
-  gpg_error_t lasterr;
-};
-
-gpg_error_t b64enc_start (struct b64state *state, FILE *fp, const char *title);
-gpg_error_t b64enc_start_es (struct b64state *state, estream_t fp,
-                             const char *title);
-gpg_error_t b64enc_write (struct b64state *state,
-                          const void *buffer, size_t nbytes);
-gpg_error_t b64enc_finish (struct b64state *state);
-
-gpg_error_t b64dec_start (struct b64state *state, const char *title);
-gpg_error_t b64dec_proc (struct b64state *state, void *buffer, size_t length,
-                         size_t *r_nbytes);
-gpg_error_t b64dec_finish (struct b64state *state);
-
 /*-- sexputil.c */
 char *canon_sexp_to_string (const unsigned char *canon, size_t canonlen);
 void log_printcanon (const char *text,
diff --git a/dirmngr/crlfetch.c b/dirmngr/crlfetch.c
index 5b6b648e2..620edf788 100644
--- a/dirmngr/crlfetch.c
+++ b/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);
     }
diff --git a/dirmngr/dirmngr-client.c b/dirmngr/dirmngr-client.c
index f1059c939..ece4fbcc9 100644
--- a/dirmngr/dirmngr-client.c
+++ b/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;
diff --git a/dirmngr/misc.c b/dirmngr/misc.c
index 9cedf911c..d1830237d 100644
--- a/dirmngr/misc.c
+++ b/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;
diff --git a/g10/export.c b/g10/export.c
index b05492b32..2c6eb7bff 100644
--- a/g10/export.c
+++ b/g10/export.c
@@ -2706,18 +2706,18 @@ export_one_ssh_key (estream_t fp, PKT_public_key *pk)
   blob = get_membuf (&mb, &bloblen);
   if (blob)
     {
-      struct b64state b64_state;
+      gpgrt_b64state_t b64_state;
 
       es_fprintf (fp, "%s ", identifier);
-      err = b64enc_start_es (&b64_state, fp, "");
-      if (err)
+      b64_state = gpgrt_b64enc_start (fp, "");
+      if (!b64_state)
         {
           xfree (blob);
           goto leave;
         }
 
-      err = b64enc_write (&b64_state, blob, bloblen);
-      b64enc_finish (&b64_state);
+      err = gpgrt_b64enc_write (b64_state, blob, bloblen);
+      gpgrt_b64enc_finish (b64_state);
 
       es_fprintf (fp, " openpgp:0x%08lX\n", (ulong)keyid_from_pk (pk, NULL));
       xfree (blob);
@@ -2961,7 +2961,7 @@ export_secret_ssh_key (ctrl_t ctrl, const char *userid)
   int pkalgo;
   int i;
   gcry_mpi_t keyparam[10] = { NULL };
-  struct b64state b64_state;
+  gpgrt_b64state_t b64_state;
 
   init_membuf_secure (&mb, 1024);
   init_membuf_secure (&mb2, 1024);
@@ -3139,11 +3139,11 @@ export_secret_ssh_key (ctrl_t ctrl, const char *userid)
       goto leave;
     }
 
-  err = b64enc_start_es (&b64_state, fp, "OPENSSH PRIVATE_KEY");
-  if (err)
+  b64_state = gpgrt_b64enc_start (fp, "OPENSSH PRIVATE_KEY");
+  if (!b64_state)
     goto leave;
-  err = b64enc_write (&b64_state, blob, bloblen);
-  b64enc_finish (&b64_state);
+  err = gpgrt_b64enc_write (b64_state, blob, bloblen);
+  gpgrt_b64enc_finish (b64_state);
   if (err)
     goto leave;
 
diff --git a/tools/gpg-card.c b/tools/gpg-card.c
index 4002cc185..12b4be25f 100644
--- a/tools/gpg-card.c
+++ b/tools/gpg-card.c
@@ -2080,13 +2080,15 @@ cmd_writecert (card_info_t info, char *argstr)
           && ascii_memistr (data, datalen, "-----END CERTIFICATE-----")
           && !memchr (data, 0, datalen) && !memchr (data, 1, datalen))
         {
-          struct b64state b64;
+          gpgrt_b64state_t b64;
 
-          err = b64dec_start (&b64, "");
-          if (!err)
-            err = b64dec_proc (&b64, data, datalen, &datalen);
+          b64 = gpgrt_b64dec_start ("");
+          if (!b64)
+            err = gpg_error_from_syserror ();
+          else
+            err = gpgrt_b64dec_proc (b64, data, datalen, &datalen);
           if (!err)
-            err = b64dec_finish (&b64);
+            err = gpgrt_b64dec_finish (b64);
           if (err)
             goto leave;
         }
diff --git a/tools/mime-parser.c b/tools/mime-parser.c
index 0db1a9c23..31f766ca5 100644
--- a/tools/mime-parser.c
+++ b/tools/mime-parser.c
@@ -93,7 +93,7 @@ struct mime_parser_context_s
     unsigned int boundary : 1;
   } show;
 
-  struct b64state *b64state;     /* NULL or malloced Base64 decoder state.  */
+  gpgrt_b64state_t b64state;     /* NULL or malloced Base64 decoder state.  */
 
   /* A buffer for reading a mail line,  */
   char line[5000];
@@ -410,15 +410,11 @@ parse_message_cb (void *opaque, rfc822parse_event_t event, rfc822parse_t msg)
                 {
                   ctx->decode_part = 2;
                   if (ctx->b64state)
-                    b64dec_finish (ctx->b64state); /* Reuse state.  */
-                  else
-                    {
-                      ctx->b64state = xtrymalloc (sizeof *ctx->b64state);
-                      if (!ctx->b64state)
-                        rc = gpg_error_from_syserror ();
-                    }
-                  if (!rc)
-                    rc = b64dec_start (ctx->b64state, NULL);
+                    gpgrt_b64dec_finish (ctx->b64state); /* Release.  */
+
+                  ctx->b64state = gpgrt_b64dec_start (NULL);
+                  if (!ctx->b64state)
+                    rc = gpg_error_from_syserror ();
                 }
               free (value); /* Right, we need a plain free.  */
             }
@@ -528,10 +524,7 @@ mime_parser_release (mime_parser_t ctx)
     return;
 
   if (ctx->b64state)
-    {
-      b64dec_finish (ctx->b64state);
-      xfree (ctx->b64state);
-    }
+    gpgrt_b64dec_finish (ctx->b64state);
   xfree (ctx);
 }
 
@@ -661,7 +654,7 @@ process_part_data (mime_parser_t ctx, char *line, size_t *length)
   else if (ctx->decode_part == 2)
     {
       log_assert (ctx->b64state);
-      err = b64dec_proc (ctx->b64state, line, *length, &nbytes);
+      err = gpgrt_b64dec_proc (ctx->b64state, line, *length, &nbytes);
       if (err)
         return err;
       *length = nbytes;
diff --git a/tools/wks-util.c b/tools/wks-util.c
index ee1305b00..49dbb6f8a 100644
--- a/tools/wks-util.c
+++ b/tools/wks-util.c
@@ -598,7 +598,7 @@ wks_armor_key (estream_t *r_newkey, estream_t key, const char *prefix)
 {
   gpg_error_t err;
   estream_t newkey;
-  struct b64state b64state;
+  gpgrt_b64state_t b64state;
   char buffer[4096];
   size_t nread;
 
@@ -614,16 +614,19 @@ wks_armor_key (estream_t *r_newkey, estream_t key, const char *prefix)
   if (prefix)
     es_fputs (prefix, newkey);
 
-  err = b64enc_start_es (&b64state, newkey, "PGP PUBLIC KEY BLOCK");
-  if (err)
-    goto leave;
+  b64state = gpgrt_b64enc_start (newkey, "PGP PUBLIC KEY BLOCK");
+  if (!b64state)
+    {
+      err = gpg_error_from_syserror ();
+      goto leave;
+    }
 
   do
     {
       nread = es_fread (buffer, 1, sizeof buffer, key);
       if (!nread)
 	break;
-      err = b64enc_write (&b64state, buffer, nread);
+      err = gpgrt_b64enc_write (b64state, buffer, nread);
       if (err)
         goto leave;
     }
@@ -634,7 +637,7 @@ wks_armor_key (estream_t *r_newkey, estream_t key, const char *prefix)
       goto leave;
     }
 
-  err = b64enc_finish (&b64state);
+  err = gpgrt_b64enc_finish (b64state);
   if (err)
     goto leave;