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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-27560] Ctrl-c in shell password input leaves terminal in non-echo mode</title>
                <link>https://jira.mongodb.org/browse/SERVER-27560</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If the user realises that they have accidentally provided the wrong username when using the shell with plain &lt;tt&gt;--password&lt;/tt&gt;/&lt;tt&gt;-p&lt;/tt&gt; to connect and prompt for the password, a very natural reaction is to hit Ctrl-C to cancel the connection attempt, so that the user can re-run the shell with the correct username.&lt;/p&gt;

&lt;p&gt;However, if Ctrl-C is typed while the shell is prompting for a password, the terminal is left in non-echo mode, which messes up the display from that point onwards.  The expected behaviour is for the terminal mode to be normal whenever the shell exits, including if it is killed while prompting for a password.&lt;/p&gt;

&lt;p&gt;The workaround is the normal one in this situation, ie. the user must (blindly) type &lt;tt&gt;stty echo&amp;lt;enter&amp;gt;&lt;/tt&gt; or &lt;tt&gt;stty sane&amp;lt;enter&amp;gt;&lt;/tt&gt; or &lt;tt&gt;reset&amp;lt;enter&amp;gt;&lt;/tt&gt;.&lt;/p&gt;</description>
                <environment>POSIX</environment>
        <key id="342027">SERVER-27560</key>
            <summary>Ctrl-c in shell password input leaves terminal in non-echo mode</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="2">Won&apos;t Fix</resolution>
                                        <assignee username="backlog-server-stm">Backlog - Server Tooling and Methods (STM)</assignee>
                                    <reporter username="kevin.pulo@mongodb.com">Kevin Pulo</reporter>
                        <labels>
                            <label>move-stm</label>
                    </labels>
                <created>Tue, 3 Jan 2017 01:52:05 +0000</created>
                <updated>Tue, 6 Dec 2022 04:08:33 +0000</updated>
                            <resolved>Fri, 3 Dec 2021 18:33:11 +0000</resolved>
                                                                    <component>Shell</component>
                                        <votes>2</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="4230128" author="brooke.miller" created="Fri, 3 Dec 2021 18:33:11 +0000"  >&lt;p&gt;We&apos;ve deprecated the mongo shell in favor of the new &lt;a href=&quot;https://docs.mongodb.com/mongodb-shell/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongosh&lt;/a&gt;. Unfortunately, we aren&apos;t able to pursue improvements to the deprecated shell except in extreme cases, such as critical security fixes. Please start making use of &lt;a href=&quot;https://docs.mongodb.com/mongodb-shell/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;mongosh&lt;/a&gt; and let us know if it works for you in this case.&lt;/p&gt;</comment>
                            <comment id="3422241" author="joanna.cheng@10gen.com" created="Fri, 2 Oct 2020 01:55:02 +0000"  >&lt;p&gt;Still repros for me with mongo shell 4.0.18, ContOS 7.8.2003&lt;/p&gt;</comment>
                            <comment id="3091709" author="kevin.pulo@10gen.com" created="Mon, 18 May 2020 08:41:16 +0000"  >&lt;p&gt;Still repros for me in Ubuntu 18.04, both old versions like 3.4.24, and 4.2.6 and current master.  I can imagine that some setups (eg. some *nix shells, or some *nix shell user configs) might forcibly reset the terminal&apos;s echo state after running a program, or before printing the shell prompt.  Similarly, when I send SIGQUIT (Ctrl-\ on my system) instead of SIGINT (Ctrl-C), the mongo shell throws a backtrace and the terminal is fine afterwards.  &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=oleg.pudeyev&quot; class=&quot;user-hover&quot; rel=&quot;oleg.pudeyev&quot;&gt;oleg.pudeyev&lt;/a&gt; does one of these situations correspond to your testing?&lt;/p&gt;</comment>
                            <comment id="3089900" author="oleg.pudeyev" created="Fri, 15 May 2020 15:04:44 +0000"  >&lt;p&gt;I could not reproduce the issue just now on Debian. Tried 2.6.12 and 3.4.24. Perhaps something changed in the terminal programs or the situation is system-dependent.&lt;/p&gt;</comment>
                            <comment id="2282328" author="kevin.pulo@10gen.com" created="Thu, 13 Jun 2019 05:46:19 +0000"  >&lt;p&gt;The &lt;tt&gt;passwordPrompt()&lt;/tt&gt; function introduced in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-24391&quot; title=&quot;Prompt for password on user creation or password change via the shell&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-24391&quot;&gt;&lt;del&gt;SERVER-24391&lt;/del&gt;&lt;/a&gt; exposes the same issue, with a larger opportunity because &lt;tt&gt;passwordPrompt()&lt;/tt&gt; can be called in a loop.&lt;/p&gt;</comment>
                            <comment id="1467874" author="joanna.cheng@10gen.com" created="Tue, 3 Jan 2017 02:03:52 +0000"  >&lt;p&gt;Reproduced in OSX 10.11.6 in the native Terminal&lt;/p&gt;</comment>
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                        <customfieldname>Steps To Reproduce</customfieldname>
                        <customfieldvalues>
                            <customfieldvalue>&lt;ol&gt;
	&lt;li&gt;Run &quot;&lt;tt&gt;mongo -u u -p&lt;/tt&gt;&quot;.  There does not need to be a &lt;tt&gt;mongod&lt;/tt&gt; running on the default port.&lt;/li&gt;
	&lt;li&gt;At the &quot;Enter password:&quot; prompt, type Ctrl-c.&lt;/li&gt;
	&lt;li&gt;Type a few characters, and observe that they aren&apos;t echoed.&lt;/li&gt;
	&lt;li&gt;Press Enter a few times, and observe the prompt does not appear on a new line.&lt;/li&gt;
	&lt;li&gt;Type &lt;tt&gt;stty echo&amp;lt;enter&amp;gt;&lt;/tt&gt; or &lt;tt&gt;stty sane&amp;lt;enter&amp;gt;&lt;/tt&gt; to reset the terminal state.&lt;/li&gt;
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&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;kev@localhost:~$ mongo -u foobar -p&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;MongoDB shell version v3.4.1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Enter password: 2017-01-03T12:30:50.624+1100 I CONTROL  [main] shutting down with code:0&lt;/span&gt;&lt;/pre&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;kev@localhost:~$ kev@localhost:~$ kev@localhost:~$ kev@localhost:~$ kev@localhost:~$ &lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;kev@localhost:~$ /m/3.2.11/bin/mongo -u foobar -p&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;MongoDB shell version: 3.2.11&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Enter password: kev@localhost:~$ kev@localhost:~$ kev@localhost:~$ kev@localhost:~$ kev@localhost:~$ &lt;/span&gt;&lt;/pre&gt;
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