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xbps_binpkg_exists: fix access() on remote packages and avoid malloc

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This commit is contained in:
Duncaen 2019-06-14 23:19:59 +02:00
parent 53e23d348e
commit 45fc07260c
1 changed files with 18 additions and 8 deletions
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26
lib/util.c
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@ -328,17 +328,27 @@ xbps_repository_pkg_path(struct xbps_handle *xhp, xbps_dictionary_t pkg_repod)
bool
xbps_binpkg_exists(struct xbps_handle *xhp, xbps_dictionary_t pkgd)
{
char *binpkg;
bool exists = true;
char path[PATH_MAX];
const char *pkgver, *arch, *repoloc;
if ((binpkg = xbps_repository_pkg_path(xhp, pkgd)) == NULL)
return false;
assert(xhp);
assert(xbps_object_type(pkgd) == XBPS_TYPE_DICTIONARY);
if (access(binpkg, R_OK) == -1)
exists = false;
if (!xbps_dictionary_get_cstring_nocopy(pkgd,
"pkgver", &pkgver))
return NULL;
if (!xbps_dictionary_get_cstring_nocopy(pkgd,
"architecture", &arch))
return NULL;
if (!xbps_dictionary_get_cstring_nocopy(pkgd,
"repository", &repoloc))
return NULL;
free(binpkg);
return exists;
snprintf(path, sizeof(path), "%s/%s.%s.xbps",
xbps_repository_is_remote(repoloc) ? xhp->cachedir : repoloc,
pkgver, arch);
return access(path, R_OK) == 0;
}
bool