diff options
Diffstat (limited to 'lib/bb/fetch/__init__.py')
| -rw-r--r-- | lib/bb/fetch/__init__.py | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/bb/fetch/__init__.py b/lib/bb/fetch/__init__.py index aa16fb927..91729f684 100644 --- a/lib/bb/fetch/__init__.py +++ b/lib/bb/fetch/__init__.py @@ -223,6 +223,42 @@ def removefile(f): except: pass +def verify_checksum(u, ud, d): + """ + verify the MD5 and SHA256 checksum for downloaded src + + return value: + - True: checksum matched + - False: checksum unmatched + + if checksum is missing in recipes file, "BB_STRICT_CHECKSUM" decide the return value. + if BB_STRICT_CHECKSUM = "1" then return false as unmatched, otherwise return true as + matched + """ + + if not ud.type in ["http", "https", "ftp", "ftps"]: + return + + md5data = bb.utils.md5_file(ud.localpath) + sha256data = bb.utils.sha256_file(ud.localpath) + + if (ud.md5_expected == None or ud.sha256_expected == None): + logger.warn('Missing SRC_URI checksum for %s, consider adding to the recipe:\n' + 'SRC_URI[%s] = "%s"\nSRC_URI[%s] = "%s"', + ud.localpath, ud.md5_name, md5data, + ud.sha256_name, sha256data) + if bb.data.getVar("BB_STRICT_CHECKSUM", d, True) == "1": + raise FetchError("No checksum specified for %s." % u) + return + + if (ud.md5_expected != md5data or ud.sha256_expected != sha256data): + logger.error('The checksums for "%s" did not match.\n' + ' MD5: expected "%s", got "%s"\n' + ' SHA256: expected "%s", got "%s"\n', + ud.localpath, ud.md5_expected, md5data, + ud.sha256_expected, sha256data) + raise FetchError("%s checksum mismatch." % u) + def go(d, urls = None): """ Fetch all urls @@ -265,6 +301,7 @@ def go(d, urls = None): raise FetchError("Unable to fetch URL %s from any source." % u) ud.localpath = localpath + if os.path.exists(ud.md5): # Touch the md5 file to show active use of the download try: @@ -273,6 +310,8 @@ def go(d, urls = None): # Errors aren't fatal here pass else: + # Only check the checksums if we've not seen this item before + verify_checksum(u, ud, d) Fetch.write_md5sum(u, ud, d) bb.utils.unlockfile(lf) @@ -494,6 +533,16 @@ class FetchData(object): if not self.pswd and "pswd" in self.parm: self.pswd = self.parm["pswd"] self.setup = False + + if "name" in self.parm: + self.md5_name = "%s.md5sum" % self.parm["name"] + self.sha256_name = "%s.sha256sum" % self.parm["name"] + else: + self.md5_name = "md5sum" + self.sha256_name = "sha256sum" + self.md5_expected = bb.data.getVarFlag("SRC_URI", self.md5_name, d) + self.sha256_expected = bb.data.getVarFlag("SRC_URI", self.sha256_name, d) + for m in methods: if m.supports(url, self, d): self.method = m |