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* decrypt.c (is_token,skip_token): Duplicated from verify.c

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(gpgme_op_decrypt): Hack to properly return Decryption_Failed..
(_gpgme_decrypt_status_handler): Create an operation info.
This commit is contained in:
Werner Koch 2002-08-19 16:55:08 +00:00
parent a8782e4ed7
commit 337119d9b2
2 changed files with 97 additions and 1 deletions
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6
gpgme/ChangeLog
View File

@ -1,3 +1,9 @@
2002-08-19 Werner Koch <wk@gnupg.org>
* decrypt.c (is_token,skip_token): Duplicated from verify.c
(gpgme_op_decrypt): Hack to properly return Decryption_Failed..
(_gpgme_decrypt_status_handler): Create an operation info.
2002-08-14 Werner Koch <wk@gnupg.org>
* key.h (struct certsig_s): New. Use it in gpgme_key_s.

90
gpgme/decrypt.c
View File

@ -45,10 +45,51 @@ _gpgme_release_decrypt_result (DecryptResult result)
xfree (result);
}
/* Check whether STRING starts with TOKEN and return true in this
case. This is case insensitive. If NEXT is not NULL return the
number of bytes to be added to STRING to get to the next token; a
returned value of 0 indicates end of line.
Fixme: Duplicated from verify.c. */
static int
is_token (const char *string, const char *token, size_t *next)
{
size_t n = 0;
for (;*string && *token && *string == *token; string++, token++, n++)
;
if (*token || (*string != ' ' && !*string))
return 0;
if (next)
{
for (; *string == ' '; string++, n++)
;
*next = n;
}
return 1;
}
static int
skip_token (const char *string, size_t *next)
{
size_t n = 0;
for (;*string && *string != ' '; string++, n++)
;
for (;*string == ' '; string++, n++)
;
if (!*string)
return 0;
if (next)
*next = n;
return 1;
}
void
_gpgme_decrypt_status_handler (GpgmeCtx ctx, GpgmeStatusCode code, char *args)
{
size_t n;
_gpgme_passphrase_status_handler (ctx, code, args);
if (ctx->error)
@ -72,6 +113,45 @@ _gpgme_decrypt_status_handler (GpgmeCtx ctx, GpgmeStatusCode code, char *args)
ctx->result.decrypt->failed = 1;
break;
case GPGME_STATUS_ERROR:
if (is_token (args, "decrypt.algorithm", &n) && n)
{
args += n;
if (is_token (args, "Unsupported_Algorithm", &n))
{
GpgmeData dh;
args += n;
/* Fixme: This won't work when used with decrypt+verify */
if (!gpgme_data_new (&dh))
{
_gpgme_data_append_string (dh,
"<GnupgOperationInfo>\n"
" <decryption>\n"
" <error>\n"
" <unsupportedAlgorithm>");
if (skip_token (args, &n))
{
int c = args[n];
args[n] = 0;
_gpgme_data_append_percentstring_for_xml (dh, args);
args[n] = c;
}
else
_gpgme_data_append_percentstring_for_xml (dh, args);
_gpgme_data_append_string (dh,
"</unsupportedAlgorithm>\n"
" </error>\n"
" </decryption>\n"
"</GnupgOperationInfo>\n");
_gpgme_set_op_info (ctx, dh);
}
}
}
break;
default:
/* Ignore all other codes. */
break;
@ -154,5 +234,15 @@ gpgme_op_decrypt (GpgmeCtx ctx, GpgmeData in, GpgmeData out)
_gpgme_decrypt_status_handler);
if (!err)
err = _gpgme_wait_one (ctx);
/* Work around the kludge in engine-gpgsm.c */
if (err == GPGME_Invalid_Engine && ctx->error)
{
if (ctx->result.decrypt->failed)
err = mk_error (Decryption_Failed);
else if (!ctx->result.decrypt->okay)
err = mk_error (No_Data);
}
return err;
}