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authorDan McGee <dan@archlinux.org>2011-08-25 16:40:39 -0500
committerDan McGee <dan@archlinux.org>2011-08-28 19:52:19 -0500
commitdc3336c27728fc16d2f9e68cb818648e7ca88467 (patch)
treea0d06285caa82e56ea917673868e2080f5f7b1ca /lib/libalpm/be_package.c
parentc7e4005e5ced965db49d73067fe40c516b6c34df (diff)
Refactor some args out of pkg_load_internal
Just pass the entire sync package in if we have it; that way we can do any necessary operations involving it rather than have a parameter list growing endlessly. Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'lib/libalpm/be_package.c')
-rw-r--r--lib/libalpm/be_package.c66
1 files changed, 34 insertions, 32 deletions
diff --git a/lib/libalpm/be_package.c b/lib/libalpm/be_package.c
index deec0c45..2566574d 100644
--- a/lib/libalpm/be_package.c
+++ b/lib/libalpm/be_package.c
@@ -276,19 +276,17 @@ static alpm_file_t *files_msort(alpm_file_t *files, size_t n)
* Load a package and create the corresponding alpm_pkg_t struct.
* @param handle the context handle
* @param pkgfile path to the package file
+ * @param syncpkg package object to load verification data from (md5sum,
+ * sha256sum, and/or base64 signature)
* @param full whether to stop the load after metadata is read or continue
* through the full archive
- * @param md5sum the expected md5sum of the package file if known
- * @param sha256sum the expected sha256sum of the package file if known
- * @param base64_sig the encoded signature of the package file if known
* @param level the required level of signature verification
* @return An information filled alpm_pkg_t struct
*/
alpm_pkg_t *_alpm_pkg_load_internal(alpm_handle_t *handle, const char *pkgfile,
- int full, const char *md5sum, const char *sha256sum, const char *base64_sig,
- alpm_siglevel_t level)
+ alpm_pkg_t *syncpkg, int full, alpm_siglevel_t level)
{
- int ret, skip_checksums, config = 0;
+ int ret, use_sig, config = 0;
struct archive *archive;
struct archive_entry *entry;
alpm_pkg_t *newpkg = NULL;
@@ -314,45 +312,49 @@ alpm_pkg_t *_alpm_pkg_load_internal(alpm_handle_t *handle, const char *pkgfile,
}
/* can we get away with skipping checksums? */
- skip_checksums = 0;
+ use_sig = 0;
if(level & ALPM_SIG_PACKAGE) {
- if(base64_sig) {
- skip_checksums = 1;
+ if(syncpkg && syncpkg->base64_sig) {
+ use_sig = 1;
} else {
char *sigpath = _alpm_sigpath(handle, pkgfile);
if(sigpath && !_alpm_access(handle, NULL, sigpath, R_OK)) {
- skip_checksums = 1;
+ use_sig = 1;
}
free(sigpath);
}
}
- _alpm_log(handle, ALPM_LOG_DEBUG, "md5sum: %s\n", md5sum);
- if(!skip_checksums && md5sum && !sha256sum) {
- _alpm_log(handle, ALPM_LOG_DEBUG, "checking md5sum for %s\n", pkgfile);
- if(_alpm_test_checksum(pkgfile, md5sum, ALPM_CSUM_MD5) != 0) {
- alpm_pkg_free(newpkg);
- RET_ERR(handle, ALPM_ERR_PKG_INVALID_CHECKSUM, NULL);
+ if(syncpkg && !use_sig) {
+ if(syncpkg->md5sum && !syncpkg->sha256sum) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "md5sum: %s\n", syncpkg->md5sum);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "checking md5sum for %s\n", pkgfile);
+ if(_alpm_test_checksum(pkgfile, syncpkg->md5sum, ALPM_CSUM_MD5) != 0) {
+ alpm_pkg_free(newpkg);
+ RET_ERR(handle, ALPM_ERR_PKG_INVALID_CHECKSUM, NULL);
+ }
}
- }
- _alpm_log(handle, ALPM_LOG_DEBUG, "sha256sum: %s\n", sha256sum);
- if(!skip_checksums && sha256sum) {
- _alpm_log(handle, ALPM_LOG_DEBUG, "checking sha256sum for %s\n", pkgfile);
- if(_alpm_test_checksum(pkgfile, sha256sum, ALPM_CSUM_SHA256) != 0) {
- alpm_pkg_free(newpkg);
- RET_ERR(handle, ALPM_ERR_PKG_INVALID_CHECKSUM, NULL);
+ if(syncpkg->sha256sum) {
+ _alpm_log(handle, ALPM_LOG_DEBUG, "sha256sum: %s\n", syncpkg->sha256sum);
+ _alpm_log(handle, ALPM_LOG_DEBUG, "checking sha256sum for %s\n", pkgfile);
+ if(_alpm_test_checksum(pkgfile, syncpkg->sha256sum, ALPM_CSUM_SHA256) != 0) {
+ alpm_pkg_free(newpkg);
+ RET_ERR(handle, ALPM_ERR_PKG_INVALID_CHECKSUM, NULL);
+ }
}
}
- _alpm_log(handle, ALPM_LOG_DEBUG, "base64_sig: %s\n", base64_sig);
- if(level & ALPM_SIG_PACKAGE &&
- _alpm_check_pgp_helper(handle, pkgfile, base64_sig,
- level & ALPM_SIG_PACKAGE_OPTIONAL, level & ALPM_SIG_PACKAGE_MARGINAL_OK,
- level & ALPM_SIG_PACKAGE_UNKNOWN_OK)) {
- handle->pm_errno = ALPM_ERR_PKG_INVALID_SIG;
- _alpm_pkg_free(newpkg);
- return NULL;
+ if(use_sig) {
+ const char *sig = syncpkg ? syncpkg->base64_sig : NULL;
+ _alpm_log(handle, ALPM_LOG_DEBUG, "sig data: %s\n", sig ? sig : "<from .sig>");
+ if(_alpm_check_pgp_helper(handle, pkgfile, sig,
+ level & ALPM_SIG_PACKAGE_OPTIONAL, level & ALPM_SIG_PACKAGE_MARGINAL_OK,
+ level & ALPM_SIG_PACKAGE_UNKNOWN_OK)) {
+ handle->pm_errno = ALPM_ERR_PKG_INVALID_SIG;
+ _alpm_pkg_free(newpkg);
+ return NULL;
+ }
}
/* next- try to create an archive object to read in the package */
@@ -487,7 +489,7 @@ int SYMEXPORT alpm_pkg_load(alpm_handle_t *handle, const char *filename, int ful
CHECK_HANDLE(handle, return -1);
ASSERT(pkg != NULL, RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1));
- *pkg = _alpm_pkg_load_internal(handle, filename, full, NULL, NULL, NULL, level);
+ *pkg = _alpm_pkg_load_internal(handle, filename, NULL, full, level);
if(*pkg == NULL) {
/* pm_errno is set by pkg_load */
return -1;