Merge pull request #2181 from grahamc/nix-install-behind-mitm-proxy

Install Nix behind MITM proxy
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Eelco Dolstra 2018-05-26 17:41:24 +02:00 committed by GitHub
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3 changed files with 75 additions and 5 deletions

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@ -21,4 +21,51 @@ in your <filename>~/.profile</filename> (or similar), like this:</para>
<screen>
source <replaceable>prefix</replaceable>/etc/profile.d/nix.sh</screen>
</chapter>
<section xml:id="sec-nix-ssl-cert-file">
<title><envar>NIX_SSL_CERT_FILE</envar></title>
<para>If you need to specify a custom certificate bundle to account
for an HTTPS-intercepting man in the middle proxy, you must specify
the path to the certificate bundle in the environment variable
<envar>NIX_SSL_CERT_FILE</envar>.</para>
<para>If you don't specify a <envar>NIX_SSL_CERT_FILE</envar>
manually, Nix will install and use its own certificate
bundle.</para>
<procedure>
<step><para>Set the environment variable and install Nix</para>
<screen>
$ export NIX_SSL_CERT_FILE=/etc/ssl/my-certificate-bundle.crt
$ curl https://nixos.org/nix/install | sh
</screen></step>
<step><para>In the shell profile and rc files (for example,
<filename>/etc/bashrc</filename>, <filename>/etc/zshrc</filename>),
add the following line:</para>
<programlisting>
export NIX_SSL_CERT_FILE=/etc/ssl/my-certificate-bundle.crt
</programlisting>
</step>
</procedure>
<note><para>You must not add the export and then do the install, as
the Nix installer will detect the presense of Nix configuration, and
abort.</para></note>
<section>
<title><envar>NIX_SSL_CERT_FILE</envar> with macOS and the Nix daemon</title>
<para>On macOS you must specify the environment variable for the Nix
daemon service, then restart it:</para>
<screen>
$ sudo launchctl setenv NIX_SSL_CERT_FILE /etc/ssl/my-certificate-bundle.crt
$ sudo launchctl kickstart -k system/org.nixos.nix-daemon
</screen>
</section>
</section>
</chapter>

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@ -727,11 +727,17 @@ setup_default_profile() {
_sudo "to installing a bootstrapping Nix in to the default Profile" \
HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_NIX"
_sudo "to installing a bootstrapping SSL certificate just for Nix in to the default Profile" \
HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_CACERT"
if [ -z "$NIX_SSL_CERT_FILE" ] || ! [ -f "$NIX_SSL_CERT_FILE" ]; then
_sudo "to installing a bootstrapping SSL certificate just for Nix in to the default Profile" \
HOME="$ROOT_HOME" "$NIX_INSTALLED_NIX/bin/nix-env" -i "$NIX_INSTALLED_CACERT"
export NIX_SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
fi
# Have to explicitly pass NIX_SSL_CERT_FILE as part of the sudo call,
# otherwise it will be lost in environments where sudo doesn't pass
# all the environment variables by default.
_sudo "to update the default channel in the default profile" \
HOME="$ROOT_HOME" NIX_SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt "$NIX_INSTALLED_NIX/bin/nix-channel" --update nixpkgs
HOME="$ROOT_HOME" NIX_SSL_CERT_FILE="$NIX_SSL_CERT_FILE" "$NIX_INSTALLED_NIX/bin/nix-channel" --update nixpkgs
}

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@ -49,6 +49,23 @@ if test -w $HOME; then
fi
fi
export NIX_SSL_CERT_FILE="@localstatedir@/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"
# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
if [ ! -z "$NIX_SSL_CERT_FILE" ]; then
: # Allow users to override the NIX_SSL_CERT_FILE
elif [ -e /etc/ssl/certs/ca-certificates.crt ]; then # NixOS, Ubuntu, Debian, Gentoo, Arch
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
elif [ -e /etc/ssl/ca-bundle.pem ]; then # openSUSE Tumbleweed
export NIX_SSL_CERT_FILE=/etc/ssl/ca-bundle.pem
elif [ -e /etc/ssl/certs/ca-bundle.crt ]; then # Old NixOS
export NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt
elif [ -e /etc/pki/tls/certs/ca-bundle.crt ]; then # Fedora, CentOS
export NIX_SSL_CERT_FILE=/etc/pki/tls/certs/ca-bundle.crt
elif [ -e "$NIX_USER_PROFILE_DIR/etc/ssl/certs/ca-bundle.crt" ]; then # fall back to cacert in the user's Nix profile
export NIX_SSL_CERT_FILE=$NIX_USER_PROFILE_DIR/etc/ssl/certs/ca-bundle.crt
elif [ -e "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt" ]; then # fall back to cacert in the default Nix profile
export NIX_SSL_CERT_FILE=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
fi
export NIX_PATH="nixpkgs=@localstatedir@/nix/profiles/per-user/root/channels/nixpkgs:@localstatedir@/nix/profiles/per-user/root/channels"
export PATH="$HOME/.nix-profile/bin:$HOME/.nix-profile/lib/kde4/libexec:@localstatedir@/nix/profiles/default/bin:@localstatedir@/nix/profiles/default:@localstatedir@/nix/profiles/default/lib/kde4/libexec:$PATH"