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Check that destfile_name exists before using it

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In some cases (when trust_remote_name is used for a URL without a filename and
no Content-Disposition is provided by the server) destfile_name will be
NULL. In this case payload data will be stored in tempfile_name and no
destfile_name is set.

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Anatol Pomozov 2020-07-13 09:35:34 -07:00 • committed by Allan McRae
parent 1fd95939db
commit 14c0e53eed
1 changed files with 6 additions and 3 deletions
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9
lib/libalpm/dload.c
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@ -897,15 +897,18 @@ int SYMEXPORT alpm_fetch_pkgurl(alpm_handle_t *handle, const alpm_list_t *urls,
for(i = payloads; i; i = i->next) {
struct dload_payload *payload = i->data;
const char *filename;
char *filepath;
if(payload->signature) {
continue;
}
filename = mbasename(payload->destfile_name);
filepath = _alpm_filecache_find(handle, filename);
if(payload->destfile_name) {
const char *filename = mbasename(payload->destfile_name);
filepath = _alpm_filecache_find(handle, filename);
} else {
STRDUP(filepath, payload->tempfile_name, GOTO_ERR(handle, ALPM_ERR_MEMORY, err));
}
if(filepath) {
alpm_list_append(fetched, filepath);
} else {