On Fri, Sep 18, 2015 at 03:12:50PM -0700, Brian Norris wrote:
> On the latest version of git-send-email, I see this error just before
> running SMTP auth (I didn't provide any --smtp-auth= parameter):
>
> Use of uninitialized value $smtp_auth in pattern match (m//) at
> /usr/local/google/home/briannorris/git/git/git-send-email.perl line 1139.
>
> Signed-off-by: Brian Norris <[email protected]>
> ---
> git-send-email.perl | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/git-send-email.perl b/git-send-email.perl
> index c5a3f766f7fd..e3ff44b4d0cd 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -1136,7 +1136,7 @@ sub smtp_auth_maybe {
>
> # Check mechanism naming as defined in:
> # https://tools.ietf.org/html/rfc4422#page-8
> - if ($smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
> + if ($smtp_auth && $smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
> die "invalid smtp auth: '${smtp_auth}'";
> }
Thanks, makes sense. I wonder if moving the check to the point where
$smtp_auth is actually used (despite the noisier diff) would be cleaner,
like this:
--- 8< ---
diff --git a/git-send-email.perl b/git-send-email.perl
index c5a3f76..2a5ceda 100755
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -1134,12 +1134,6 @@ sub smtp_auth_maybe {
Authen::SASL->import(qw(Perl));
};
- # Check mechanism naming as defined in:
- # https://tools.ietf.org/html/rfc4422#page-8
- if ($smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
- die "invalid smtp auth: '${smtp_auth}'";
- }
-
# TODO: Authentication may fail not because credentials were
# invalid but due to other reasons, in which we should not
# reject credentials.
@@ -1154,6 +1148,12 @@ sub smtp_auth_maybe {
my $cred = shift;
if ($smtp_auth) {
+ # Check mechanism naming as defined in:
+ # https://tools.ietf.org/html/rfc4422#page-8
+ if ($smtp_auth !~ /^(\b[A-Z0-9-_]{1,20}\s*)*$/) {
+ die "invalid smtp auth: '${smtp_auth}'";
+ }
+
my $sasl = Authen::SASL->new(
mechanism => $smtp_auth,
callback => {
--- 8< ---
--
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