diff options
Diffstat (limited to 'poky/bitbake/lib/bb/fetch2/wget.py')
| -rw-r--r-- | poky/bitbake/lib/bb/fetch2/wget.py | 64 |
1 files changed, 49 insertions, 15 deletions
diff --git a/poky/bitbake/lib/bb/fetch2/wget.py b/poky/bitbake/lib/bb/fetch2/wget.py index 784df70c9..29fcfbb3d 100644 --- a/poky/bitbake/lib/bb/fetch2/wget.py +++ b/poky/bitbake/lib/bb/fetch2/wget.py @@ -52,13 +52,19 @@ class WgetProgressHandler(bb.progress.LineFilterProgressHandler): class Wget(FetchMethod): + """Class to fetch urls via 'wget'""" # CDNs like CloudFlare may do a 'browser integrity test' which can fail # with the standard wget/urllib User-Agent, so pretend to be a modern # browser. user_agent = "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:84.0) Gecko/20100101 Firefox/84.0" - """Class to fetch urls via 'wget'""" + def check_certs(self, d): + """ + Should certificates be checked? + """ + return (d.getVar("BB_CHECK_SSL_CERTS") or "1") != "0" + def supports(self, ud, d): """ Check to see if a given url can be fetched with wget. @@ -82,7 +88,10 @@ class Wget(FetchMethod): if not ud.localfile: ud.localfile = d.expand(urllib.parse.unquote(ud.host + ud.path).replace("/", ".")) - self.basecmd = d.getVar("FETCHCMD_wget") or "/usr/bin/env wget -t 2 -T 30 --passive-ftp --no-check-certificate" + self.basecmd = d.getVar("FETCHCMD_wget") or "/usr/bin/env wget -t 2 -T 30 --passive-ftp" + + if not self.check_certs(d): + self.basecmd += " --no-check-certificate" def _runwget(self, ud, d, command, quiet, workdir=None): @@ -282,19 +291,44 @@ class Wget(FetchMethod): newreq = urllib.request.HTTPRedirectHandler.redirect_request(self, req, fp, code, msg, headers, newurl) newreq.get_method = req.get_method return newreq - exported_proxies = export_proxies(d) - - handlers = [FixedHTTPRedirectHandler, HTTPMethodFallback] - if exported_proxies: - handlers.append(urllib.request.ProxyHandler()) - handlers.append(CacheHTTPHandler()) - # Since Python 2.7.9 ssl cert validation is enabled by default - # see PEP-0476, this causes verification errors on some https servers - # so disable by default. - import ssl - if hasattr(ssl, '_create_unverified_context'): - handlers.append(urllib.request.HTTPSHandler(context=ssl._create_unverified_context())) - opener = urllib.request.build_opener(*handlers) + + # We need to update the environment here as both the proxy and HTTPS + # handlers need variables set. The proxy needs http_proxy and friends to + # be set, and HTTPSHandler ends up calling into openssl to load the + # certificates. In buildtools configurations this will be looking at the + # wrong place for certificates by default: we set SSL_CERT_FILE to the + # right location in the buildtools environment script but as BitBake + # prunes prunes the environment this is lost. When binaries are executed + # runfetchcmd ensures these values are in the environment, but this is + # pure Python so we need to update the environment. + # + # Avoid tramping the environment too much by using bb.utils.environment + # to scope the changes to the build_opener request, which is when the + # environment lookups happen. + newenv = {} + for name in bb.fetch2.FETCH_EXPORT_VARS: + value = d.getVar(name) + if not value: + origenv = d.getVar("BB_ORIGENV") + if origenv: + value = origenv.getVar(name) + if value: + newenv[name] = value + + with bb.utils.environment(**newenv): + import ssl + + if self.check_certs(d): + context = ssl.create_default_context() + else: + context = ssl._create_unverified_context() + + handlers = [FixedHTTPRedirectHandler, + HTTPMethodFallback, + urllib.request.ProxyHandler(), + CacheHTTPHandler(), + urllib.request.HTTPSHandler(context=context)] + opener = urllib.request.build_opener(*handlers) try: uri = ud.url.split(";")[0] |