From 2363d7467dcd60467b3e694b3ba6f859bb226f5c Mon Sep 17 00:00:00 2001 From: Michael Witten Date: Sun, 3 Feb 2008 19:53:56 -0500 Subject: [PATCH 1/3] git-send-email: ssh/login style password requests Whilst convenient, it is most unwise to record passwords in any place but one's brain. Moreover, it is especially foolish to store them in configuration files, even with access permissions set accordingly. git-send-email has been amended, so that if it detects an smtp username without a password, it promptly prompts for the password and masks the input for privacy. Furthermore, the argument to --smtp-pass has been rendered optional. The documentation has been updated to reflect these changes. Signed-off-by: Michael Witten Signed-off-by: Junio C Hamano --- Documentation/git-send-email.txt | 39 ++++++++++++++++++++++++++++---- git-send-email.perl | 25 ++++++++++++++++---- 2 files changed, 55 insertions(+), 9 deletions(-) diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index 0554f2b374..4f4caa402d 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -96,11 +96,40 @@ The --cc option must be repeated for each user you want on the cc list. servers typically listen to smtp port 25 and ssmtp port 465). ---smtp-user, --smtp-pass:: - Username and password for SMTP-AUTH. Defaults are the values of - the configuration values 'sendemail.smtpuser' and - 'sendemail.smtppass', but see also 'sendemail.identity'. - If not set, authentication is not attempted. +--smtp-user:: + Username for SMTP-AUTH. In place of this option, the following + configuration variables can be specified: ++ +-- + * sendemail.smtpuser + * sendemail..smtpuser (see sendemail.identity). +-- ++ +However, --smtp-user always overrides these variables. ++ +If a username is not specified (with --smtp-user or a +configuration variable), then authentication is not attempted. + +--smtp-pass:: + Password for SMTP-AUTH. The argument is optional: If no + argument is specified, then the empty string is used as + the password. ++ +In place of this option, the following configuration variables +can be specified: ++ +-- + * sendemail.smtppass + * sendemail..smtppass (see sendemail.identity). +-- ++ +However, --smtp-pass always overrides these variables. ++ +Furthermore, passwords need not be specified in configuration files +or on the command line. If a username has been specified (with +--smtp-user or a configuration variable), but no password has been +specified (with --smtp-pass or a configuration variable), then the +user is prompted for a password while the input is masked for privacy. --smtp-ssl:: If set, connects to the SMTP server using SSL. diff --git a/git-send-email.perl b/git-send-email.perl index a1a9d14b00..fec55ea2df 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -157,7 +157,7 @@ my $compose_filename = ".msg.$$"; # Variables we fill in automatically, or via prompting: my (@to,@cc,@initial_cc,@bcclist,@xh, - $initial_reply_to,$initial_subject,@files,$author,$sender,$compose,$time); + $initial_reply_to,$initial_subject,@files,$author,$sender,$smtp_authpass,$compose,$time); my $envelope_sender; @@ -177,7 +177,7 @@ my ($quiet, $dry_run) = (0, 0); # Variables with corresponding config settings my ($thread, $chain_reply_to, $suppress_from, $signed_off_cc, $cc_cmd); -my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_authpass, $smtp_ssl); +my ($smtp_server, $smtp_server_port, $smtp_authuser, $smtp_ssl); my ($identity, $aliasfiletype, @alias_files, @smtp_host_parts); my ($no_validate); @@ -214,7 +214,7 @@ my $rc = GetOptions("sender|from=s" => \$sender, "smtp-server=s" => \$smtp_server, "smtp-server-port=s" => \$smtp_server_port, "smtp-user=s" => \$smtp_authuser, - "smtp-pass=s" => \$smtp_authpass, + "smtp-pass:s" => \$smtp_authpass, "smtp-ssl!" => \$smtp_ssl, "identity=s" => \$identity, "compose" => \$compose, @@ -647,9 +647,26 @@ X-Mailer: git-send-email $gitversion die "Unable to initialize SMTP properly. Is there something wrong with your config?"; } - if ((defined $smtp_authuser) && (defined $smtp_authpass)) { + if (defined $smtp_authuser) { + + if (!defined $smtp_authpass) { + + system "stty -echo"; + + do { + print "Password: "; + $_ = ; + print "\n"; + } while (!defined $_); + + chomp($smtp_authpass = $_); + + system "stty echo"; + } + $auth ||= $smtp->auth( $smtp_authuser, $smtp_authpass ) or die $smtp->message; } + $smtp->mail( $raw_from ) or die $smtp->message; $smtp->to( @recipients ) or die $smtp->message; $smtp->data or die $smtp->message; From 874299760708e3bd4d63e9afa8da3fe8a7ddc006 Mon Sep 17 00:00:00 2001 From: Michael Witten Date: Sun, 3 Feb 2008 19:53:57 -0500 Subject: [PATCH 2/3] git-send-email: SIG{TERM,INT} handlers A single signal handler is used for both SIGTERM and SIGINT in order to clean up after an uncouth termination of git-send-email. In particular, the handler resets the text color (this cleanup was already present), turns on tty echoing (in case termination occurrs during a masked Password prompt), and informs the user of of any temporary files created by --compose. Signed-off-by: Michael Witten Signed-off-by: Junio C Hamano --- git-send-email.perl | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/git-send-email.perl b/git-send-email.perl index fec55ea2df..14268fc1d4 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -24,8 +24,6 @@ use Data::Dumper; use Term::ANSIColor; use Git; -$SIG{INT} = sub { print color("reset"), "\n"; exit }; - package FakeTerm; sub new { my ($class, $reason) = @_; @@ -201,6 +199,29 @@ my %config_settings = ( "aliasesfile" => \@alias_files, ); +# Handle Uncouth Termination +sub signal_handler { + + # Make text normal + print color("reset"), "\n"; + + # SMTP password masked + system "stty echo"; + + # tmp files from --compose + if (-e $compose_filename) { + print "'$compose_filename' contains an intermediate version of the email you were composing.\n"; + } + if (-e ($compose_filename . ".final")) { + print "'$compose_filename.final' contains the composed email.\n" + } + + exit; +}; + +$SIG{TERM} = \&signal_handler; +$SIG{INT} = \&signal_handler; + # Begin by accumulating all the variables (defined above), that we will end up # needing, first, from the command line: From 8a7c56e1591ad5593883bb23fb6c5683a8a1a1a8 Mon Sep 17 00:00:00 2001 From: Michael Witten Date: Sun, 3 Feb 2008 19:53:58 -0500 Subject: [PATCH 3/3] git-send-email: Better handling of EOF Before, when the user sent the EOF control character, the prompts would be repeated on the same line as the previous prompt. Now, repeat prompts display on separate lines. Signed-off-by: Michael Witten Signed-off-by: Junio C Hamano --- git-send-email.perl | 44 ++++++++++++++++++++++++++++---------------- 1 file changed, 28 insertions(+), 16 deletions(-) diff --git a/git-send-email.perl b/git-send-email.perl index 14268fc1d4..9d7c1f4671 100755 --- a/git-send-email.perl +++ b/git-send-email.perl @@ -376,9 +376,12 @@ if (@files) { my $prompting = 0; if (!defined $sender) { $sender = $repoauthor || $repocommitter; - do { + + while (1) { $_ = $term->readline("Who should the emails appear to be from? [$sender] "); - } while (!defined $_); + last if defined $_; + print "\n"; + } $sender = $_ if ($_); print "Emails will be sent from: ", $sender, "\n"; @@ -386,10 +389,14 @@ if (!defined $sender) { } if (!@to) { - do { - $_ = $term->readline("Who should the emails be sent to? ", - ""); - } while (!defined $_); + + + while (1) { + $_ = $term->readline("Who should the emails be sent to? ", ""); + last if defined $_; + print "\n"; + } + my $to = $_; push @to, split /,/, $to; $prompting++; @@ -411,19 +418,22 @@ sub expand_aliases { @bcclist = expand_aliases(@bcclist); if (!defined $initial_subject && $compose) { - do { - $_ = $term->readline("What subject should the initial email start with? ", - $initial_subject); - } while (!defined $_); + while (1) { + $_ = $term->readline("What subject should the initial email start with? ", $initial_subject); + last if defined $_; + print "\n"; + } + $initial_subject = $_; $prompting++; } if ($thread && !defined $initial_reply_to && $prompting) { - do { - $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", - $initial_reply_to); - } while (!defined $_); + while (1) { + $_= $term->readline("Message-ID to be used as In-Reply-To for the first email? ", $initial_reply_to); + last if defined $_; + print "\n"; + } $initial_reply_to = $_; } @@ -474,9 +484,11 @@ EOT close(C); close(C2); - do { + while (1) { $_ = $term->readline("Send this email? (y|n) "); - } while (!defined $_); + last if defined $_; + print "\n"; + } if (uc substr($_,0,1) ne 'Y') { cleanup_compose_files();