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sslutil: inform the user about how to fix an incomplete certificate chain
authorMatt Harbison <matt_harbison@yahoo.com>
Wed, 12 Jul 2017 18:37:13 -0400
changeset 33494 30f2715be123
parent 33493 9a9f95214f46
child 33495 d78b7d734b63
sslutil: inform the user about how to fix an incomplete certificate chain This is a Windows only thing. Unfortunately, the socket is closed at this point (so the certificate is unavailable to check the chain). That means it's printed out when verification fails as a guess, on the assumption that 1) most of the time verification won't fail, and 2) sites using expired or certs that are too new will be rare. Maybe this is an argument for adding more functionality to debugssl, to test for problems and print certificate info. Or maybe it's an argument for bundling certificates with the Windows builds. That idea was set aside when the enhanced SSL code went in last summer, and it looks like there were issues with using certifi on Windows anyway[1]. This was tested by deleting the certificate out of certmgr.msc > "Third-Party Root Certification Authorities" > "Certificates", seeing `hg pull` fail (with the new message), trying this command, and then successfully performing the pull command. [1] https://www.mercurial-scm.org/pipermail/mercurial-devel/2016-October/089573.html
mercurial/sslutil.py file | annotate | diff | comparison | revisions
tests/test-https.t file | annotate | diff | comparison | revisions
tests/test-patchbomb-tls.t file | annotate | diff | comparison | revisions 
--- a/mercurial/sslutil.py	Thu Mar 30 00:27:46 2017 -0400
+++ b/mercurial/sslutil.py	Wed Jul 12 18:37:13 2017 -0400
@@ -475,6 +475,12 @@
                     ui.warn(_(
                         '(see https://mercurial-scm.org/wiki/SecureConnections '
                         'for more info)\n'))
+
+            elif (e.reason == 'CERTIFICATE_VERIFY_FAILED' and
+                pycompat.osname == 'nt'):
+
+                ui.warn(_('(the full certificate chain may not be available '
+                          'locally; see "hg help debugssl")\n'))
         raise
 
     # check if wrap_socket failed silently because socket had been
--- a/tests/test-https.t	Thu Mar 30 00:27:46 2017 -0400
+++ b/tests/test-https.t	Wed Jul 12 18:37:13 2017 -0400
@@ -84,6 +84,7 @@
   $ hg clone https://localhost:$HGPORT/ copy-pull
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
   (using CA certificates from *; if you see this message, your Mercurial install is not properly configured; see https://mercurial-scm.org/wiki/SecureConnections for how to configure Mercurial to avoid this message) (glob) (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
 #endif
@@ -128,6 +129,7 @@
   $ hg --config hostsecurity.localhost:verifycertsfile="$CERTSDIR/client-cert.pem" clone https://localhost:$HGPORT/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
   (an attempt was made to load CA certificates but none were loaded; see https://mercurial-scm.org/wiki/SecureConnections for how to configure Mercurial to avoid this error)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
 #else
@@ -295,6 +297,7 @@
   $ hg -R copy-pull pull --config web.cacerts="$CERTSDIR/pub-other.pem"
   pulling from https://localhost:$HGPORT/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
   $ hg -R copy-pull pull --config web.cacerts="$CERTSDIR/pub-other.pem" \
@@ -313,6 +316,7 @@
   > https://localhost:$HGPORT1/
   pulling from https://localhost:$HGPORT1/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
 
@@ -324,6 +328,7 @@
   > https://localhost:$HGPORT2/
   pulling from https://localhost:$HGPORT2/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
 
@@ -578,12 +583,14 @@
   > --config web.cacerts="$CERTSDIR/pub-other.pem"
   pulling from https://localhost:$HGPORT/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
   $ http_proxy=http://localhost:$HGPORT1/ hg -R copy-pull pull \
   > --config web.cacerts="$CERTSDIR/pub-expired.pem" https://localhost:$HGPORT2/
   pulling from https://localhost:$HGPORT2/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *certificate verify failed* (glob)
   [255]
 
@@ -619,6 +626,7 @@
 
   $ P="$CERTSDIR" hg id https://localhost:$HGPORT/
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   abort: error: *handshake failure* (glob)
   [255]
 
--- a/tests/test-patchbomb-tls.t	Thu Mar 30 00:27:46 2017 -0400
+++ b/tests/test-patchbomb-tls.t	Wed Jul 12 18:37:13 2017 -0400
@@ -67,6 +67,7 @@
   
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
   (using CA certificates from *; if you see this message, your Mercurial install is not properly configured; see https://mercurial-scm.org/wiki/SecureConnections for how to configure Mercurial to avoid this message) (glob) (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   (?i)abort: .*?certificate.verify.failed.* (re)
   [255]
 
@@ -118,6 +119,7 @@
   
   
   warning: connecting to localhost using legacy security technology (TLS 1.0); see https://mercurial-scm.org/wiki/SecureConnections for more info (?)
+  (the full certificate chain may not be available locally; see "hg help debugssl") (windows !)
   (?i)abort: .*?certificate.verify.failed.* (re)
   [255]
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