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repo: Improve error handling in sign_data()

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Use _ostree_gpg_error_to_gio_error() so the actual GPG error message is
included in the GError.  Then apply an "Unable to blah: " message prefix.
This commit is contained in:
Matthew Barnes 2015-04-08 14:50:55 -04:00
parent ab15eafe56
commit d0770e9993
1 changed files with 26 additions and 16 deletions
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42
src/libostree/ostree-repo.c
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@ -35,6 +35,9 @@
#include "ostree-repo-file-enumerator.h"
#include "ostree-gpg-verifier.h"
/* XXX Only for _ostree_gpg_error_to_gio_error(). Move it elsewhere? */
#include "ostree-gpg-verify-result-private.h"
#include <locale.h>
#include <gpgme.h>
#include <glib/gstdio.h>
@ -3005,8 +3008,8 @@ sign_data (OstreeRepo *self,
if ((err = gpgme_new (&context)) != GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Unable to create gpg context");
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Unable to create gpg context: ");
goto out;
}
@ -3015,8 +3018,8 @@ sign_data (OstreeRepo *self,
if ((err = gpgme_set_protocol (context, GPGME_PROTOCOL_OpenPGP)) !=
GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Unable to set gpg protocol");
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Unable to set gpg protocol: ");
goto out;
}
@ -3025,27 +3028,34 @@ sign_data (OstreeRepo *self,
if ((err = gpgme_ctx_set_engine_info (context, info->protocol, NULL, homedir))
!= GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Unable to set gpg homedir to '%s'",
homedir);
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Unable to set gpg homedir to '%s': ",
homedir);
goto out;
}
}
/* Get the secret keys with the given key id */
if ((err = gpgme_get_key (context, key_id, &key, 1)) != GPG_ERR_NO_ERROR)
err = gpgme_get_key (context, key_id, &key, 1);
if (gpgme_err_code (err) == GPG_ERR_EOF)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No gpg key found with ID %s (homedir: %s)", key_id,
homedir ? homedir : "<default>");
goto out;
}
else if (err != GPG_ERR_NO_ERROR)
{
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Unable to lookup key ID %s: ", key_id);
goto out;
}
/* Add the key to the context as a signer */
if ((err = gpgme_signers_add (context, key)) != GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Error signing commit");
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Error signing commit: ");
goto out;
}
@ -3054,8 +3064,8 @@ sign_data (OstreeRepo *self,
const char *buf = g_bytes_get_data (input_data, &len);
if ((err = gpgme_data_new_from_mem (&commit_buffer, buf, len, FALSE)) != GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to create buffer from commit file");
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Failed to create buffer from commit file: ");
goto out;
}
}
@ -3070,16 +3080,16 @@ sign_data (OstreeRepo *self,
if ((err = gpgme_data_new_from_fd (&signature_buffer, signature_fd)) != GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failed to create buffer for signature file");
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Failed to create buffer for signature file: ");
goto out;
}
if ((err = gpgme_op_sign (context, commit_buffer, signature_buffer, GPGME_SIG_MODE_DETACH))
!= GPG_ERR_NO_ERROR)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Failure signing commit file");
_ostree_gpg_error_to_gio_error (err, error);
g_prefix_error (error, "Failure signing commit file: ");
goto out;
}