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Attempt to fix up some of the brokenness around failed package loads

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This is a bit of a mess, due to the fact that we have a progress meter
running. It is also ironic that we are in the midst of a method named
"commit" when we haven't done a damn thing yet, and can still fail hard
if either a checksum or signature is invalid or unrecognized.

Adapt the former test_md5sum method to be invoked for any of the various
failure types, which at least gives the user some indication of what
packages are failing. A second patch will be needed to actually show
worthwhile error codes, but this is going to involve modifying the
actual data passed with the callback.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2011-08-08 19:42:52 -05:00
parent 1d16875db7
commit 9d09c9fdf7
5 changed files with 23 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/libalpm/alpm.h
View File

@ -1093,6 +1093,7 @@ enum _alpm_errno_t {
ALPM_ERR_PKG_NOT_FOUND,
ALPM_ERR_PKG_IGNORED,
ALPM_ERR_PKG_INVALID,
ALPM_ERR_PKG_INVALID_CHECKSUM,
ALPM_ERR_PKG_INVALID_SIG,
ALPM_ERR_PKG_OPEN,
ALPM_ERR_PKG_CANT_REMOVE,

2
lib/libalpm/be_package.c
View File

@ -313,7 +313,7 @@ alpm_pkg_t *_alpm_pkg_load_internal(alpm_handle_t *handle, const char *pkgfile,
_alpm_log(handle, ALPM_LOG_DEBUG, "checking md5sum for %s\n", pkgfile);
if(_alpm_test_md5sum(pkgfile, md5sum) != 0) {
alpm_pkg_free(newpkg);
RET_ERR(handle, ALPM_ERR_PKG_INVALID, NULL);
RET_ERR(handle, ALPM_ERR_PKG_INVALID_CHECKSUM, NULL);
}
}

2
lib/libalpm/error.c
View File

@ -108,6 +108,8 @@ const char SYMEXPORT *alpm_strerror(enum _alpm_errno_t err)
case ALPM_ERR_PKG_IGNORED:
return _("operation cancelled due to ignorepkg");
case ALPM_ERR_PKG_INVALID:
return _("invalid or corrupted package");
case ALPM_ERR_PKG_INVALID_CHECKSUM:
return _("invalid or corrupted package (checksum)");
case ALPM_ERR_PKG_INVALID_SIG:
return _("invalid or corrupted package (PGP signature)");

20
lib/libalpm/sync.c
View File

@ -677,24 +677,18 @@ static int apply_deltas(alpm_handle_t *handle)
*
* @param trans the transaction
* @param filename the absolute path of the file to test
* @param md5sum the expected md5sum of the file
*
* @return 0 if the md5sum matched, 1 if not, -1 in case of errors
* @return 1 if file was removed, 0 otherwise
*/
static int test_md5sum(alpm_trans_t *trans, const char *filepath,
const char *md5sum)
static int prompt_to_delete(alpm_trans_t *trans, const char *filepath)
{
int ret = _alpm_test_md5sum(filepath, md5sum);
if(ret == 1) {
int doremove = 0;
QUESTION(trans, ALPM_TRANS_CONV_CORRUPTED_PKG, (char *)filepath,
NULL, NULL, &doremove);
if(doremove) {
unlink(filepath);
}
}
return ret;
return doremove;
}
static int validate_deltas(alpm_handle_t *handle, alpm_list_t *deltas,
@ -715,7 +709,9 @@ static int validate_deltas(alpm_handle_t *handle, alpm_list_t *deltas,
alpm_delta_t *d = alpm_list_getdata(i);
char *filepath = _alpm_filecache_find(handle, d->delta);
if(test_md5sum(trans, filepath, d->delta_md5) != 0) {
ret = _alpm_test_md5sum(filepath, d->delta_md5);
if(ret != 0) {
prompt_to_delete(trans, filepath);
errors++;
*data = alpm_list_add(*data, strdup(d->delta));
}
@ -903,6 +899,7 @@ int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)
alpm_pkg_t *pkgfile =_alpm_pkg_load_internal(handle, filepath, 1, spkg->md5sum,
spkg->base64_sig, level);
if(!pkgfile) {
prompt_to_delete(trans, filepath);
errors++;
*data = alpm_list_add(*data, strdup(filename));
FREE(filepath);
@ -920,8 +917,11 @@ int _alpm_sync_commit(alpm_handle_t *handle, alpm_list_t **data)
if(errors) {
if(!handle->pm_errno) {
RET_ERR(handle, ALPM_ERR_PKG_INVALID, -1);
}
return -1;
}
if(trans->flags & ALPM_TRANS_FLAG_DOWNLOADONLY) {
return 0;

4
src/pacman/sync.c
View File

@ -844,9 +844,11 @@ int sync_prepare_execute(void)
}
break;
case ALPM_ERR_PKG_INVALID:
case ALPM_ERR_PKG_INVALID_CHECKSUM:
case ALPM_ERR_PKG_INVALID_SIG:
case ALPM_ERR_DLT_INVALID:
for(i = data; i; i = alpm_list_next(i)) {
char *filename = alpm_list_getdata(i);
const char *filename = alpm_list_getdata(i);
printf(_("%s is invalid or corrupted\n"), filename);
}
break;