Merge pull request #162 from moul/dev/moul/semantic-release

feat: set up semantic release
2020-02-22 20:48:51 +01:00 · 2020-02-22 20:43:54 +01:00 · 2020-02-18 00:06:27 +01:00 · 2020-02-18 00:06:20 +01:00 · 2020-02-18 00:05:35 +01:00 · 2020-02-17 23:55:35 +01:00
48 changed files with 1689 additions and 962 deletions
--- a/.assets/cluster-mysql.png
+++ b/.assets/cluster-mysql.png
--- a/.assets/flow-diagram.dot
+++ b/.assets/flow-diagram.dot
@@ -1,12 +1,12 @@
 digraph {
-    rankdir=LR;
-    layout=dot;
-    node[shape=record];
-    
-    start[label="ssh sshportal";color=blue;fontcolor=blue;fontsize=20];
-    
+    node[shape=record;style=rounded;fontname="helvetica-bold"];
+    graph[layout=dot;rankdir=LR;overlap=prism;splines=true;fontname="helvetica-bold"];
+    edge[arrowhead=none;fontname="helvetica"];
+
+    start[label="\$\> ssh sshportal";color=blue;fontcolor=blue;fontsize=18];
+
    subgraph cluster_sshportal {
-        graph[fontsize=20;style=dashed;color=purple;fontcolor=purple];
+        graph[fontsize=18;color=gray;fontcolor=black];
        label="sshportal";
        {
            node[color=darkorange;fontcolor=darkorange];
@@ -17,25 +17,25 @@ digraph {
        }
        {
            node[color=darkgreen;fontcolor=darkgreen];
-            builtin_shell[label="built-in shell"];
-            ssh_proxy[label="SSH proxy"];
-            learn_key[label="learn key"];
+            builtin_shell[label="built-in\nconfig shell"];
+            ssh_proxy[label="SSH proxy\nJump-Host"];
+            learn_key[label="learn the\npub key"];
        }
-        err_and_exit[label="error and exit";color=red;fontcolor=red];
+        err_and_exit[label="\nerror\nand exit\n\n";color=red;fontcolor=red];
        { rank=same; ssh_proxy; builtin_shell; learn_key; err_and_exit; }
        { rank=same; known_user_key; unknown_user_key; }
    }
-    
+
    subgraph cluster_hosts {
        label="your hosts";
-        graph[fontsize=20;style=dashed;color=purple;fontcolor=purple];
+        graph[fontsize=18;color=gray;fontcolor=black];
        node[color=blue;fontcolor=blue];
-        
+
        host_1[label="root@host1"];
        host_2[label="user@host2:2222"];
        host_3[label="root@host3:1234"];
    }
-    
+
    {
        edge[color=blue];
        start -> known_user_key;
@@ -53,13 +53,13 @@ digraph {
    {
        edge[color=darkorange;fontcolor=darkorange];
        known_user_key -> acl_manager[label="user matches an existing host"];
-        unknown_user_key -> invite_manager[headlabel="user=invite:<token>"];
+        unknown_user_key -> invite_manager[label="user=invite:<token>";labelloc=b];
    }
    {
        edge[color=red;fontcolor=red];
        known_user_key -> err_and_exit[label="invalid user"];
        acl_manager -> err_and_exit[label="unauthorized"];
-        unknown_user_key -> err_and_exit[label="any other user"];
-        invite_manager -> err_and_exit[label="invalid token"];
+        unknown_user_key -> err_and_exit[label="any other user";constraint=false];
+        invite_manager -> err_and_exit[label="invalid token";constraint=false];
    }
 }
--- a/.assets/flow-diagram.png
+++ b/.assets/flow-diagram.png
--- a/.assets/flow-diagram.svg
+++ b/.assets/flow-diagram.svg
@@ -4,185 +4,175 @@
 <!-- Generated by graphviz version 2.40.1 (20161225.0304)
 -->
 <!-- Title: %3 Pages: 1 -->
-<svg width="1026pt" height="312pt"
- viewBox="0.00 0.00 1026.42 312.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 308)">
+<svg width="1150pt" height="310pt"
+ viewBox="0.00 0.00 1149.83 310.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 306)">
 <title>%3</title>
-<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-308 1022.4219,-308 1022.4219,4 -4,4"/>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-306 1145.8281,-306 1145.8281,4 -4,4"/>
 <g id="clust1" class="cluster">
 <title>cluster_sshportal</title>
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-<text text-anchor="middle" x="503.3804" y="-276" font-family="Times,serif" font-size="20.00" fill="#a020f0">sshportal</text>
+<polygon fill="none" stroke="#c0c0c0" points="187.5586,-8 187.5586,-294 964.46,-294 964.46,-8 187.5586,-8"/>
+<text text-anchor="middle" x="576.0093" y="-275.6" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="18.00" fill="#000000">sshportal</text>
 </g>
 <g id="clust6" class="cluster">
 <title>cluster_hosts</title>
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-<text text-anchor="middle" x="945.1997" y="-276" font-family="Times,serif" font-size="20.00" fill="#a020f0">your hosts</text>
+<polygon fill="none" stroke="#c0c0c0" points="985.46,-104 985.46,-294 1133.8281,-294 1133.8281,-104 985.46,-104"/>
+<text text-anchor="middle" x="1059.644" y="-275.6" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="18.00" fill="#000000">your hosts</text>
 </g>
 <!-- start -->
 <g id="node1" class="node">
 <title>start</title>
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-<text text-anchor="middle" x="59.3916" y="-130" font-family="Times,serif" font-size="20.00" fill="#0000ff">ssh sshportal</text>
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+<text text-anchor="middle" x="79.2793" y="-134.6" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="18.00" fill="#0000ff">$&gt; ssh sshportal</text>
 </g>
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 <g id="node2" class="node">
 <title>known_user_key</title>
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-<text text-anchor="middle" x="215.1074" y="-170.8" font-family="Times,serif" font-size="14.00" fill="#ff8c00">known user key</text>
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+<text text-anchor="middle" x="264.6309" y="-174.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#ff8c00">known user key</text>
 </g>
 <!-- start&#45;&gt;known_user_key -->
 <g id="edge1" class="edge">
 <title>start&#45;&gt;known_user_key</title>
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-<polygon fill="#0000ff" stroke="#0000ff" points="152.0758,-162.8214 162.6266,-161.8558 153.7765,-156.0311 152.0758,-162.8214"/>
+<path fill="none" stroke="#0000ff" d="M158.6917,-156.7092C173.8232,-159.8931 189.4365,-163.1783 203.8727,-166.2158"/>
 </g>
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 <title>unknown_user_key</title>
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+<text text-anchor="middle" x="264.6309" y="-82.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#ff8c00">unknown user key</text>
 </g>
 <!-- start&#45;&gt;unknown_user_key -->
 <g id="edge2" class="edge">
 <title>start&#45;&gt;unknown_user_key</title>
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-<polygon fill="#0000ff" stroke="#0000ff" points="147.1673,-113.7198 155.766,-107.5301 145.1841,-107.0066 147.1673,-113.7198"/>
+<path fill="none" stroke="#0000ff" d="M142.2895,-121.9827C161.3902,-116.521 182.3703,-110.5218 201.4801,-105.0575"/>
 </g>
 <!-- acl_manager -->
 <g id="node5" class="node">
 <title>acl_manager</title>
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-<text text-anchor="middle" x="562.2959" y="-186.8" font-family="Times,serif" font-size="14.00" fill="#ff8c00">ACL manager</text>
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+<text text-anchor="middle" x="650.3159" y="-186.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#ff8c00">ACL manager</text>
 </g>
 <!-- known_user_key&#45;&gt;acl_manager -->
 <g id="edge9" class="edge">
 <title>known_user_key&#45;&gt;acl_manager</title>
-<path fill="none" stroke="#ff8c00" d="M267.461,-177.4127C331.1153,-180.3462 438.21,-185.2816 504.3082,-188.3277"/>
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-<text text-anchor="middle" x="393.4697" y="-188.8" font-family="Times,serif" font-size="14.00" fill="#ff8c00">user matches an existing host</text>
+<path fill="none" stroke="#ff8c00" d="M325.3184,-180.8882C399.9907,-183.2115 525.6007,-187.1197 596.8147,-189.3354"/>
+<text text-anchor="middle" x="463.3062" y="-190.8" font-family="Helvetica,sans-Serif" font-size="14.00" fill="#ff8c00">user matches an existing host</text>
 </g>
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 <g id="node6" class="node">
 <title>builtin_shell</title>
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-<text text-anchor="middle" x="805.2739" y="-236.8" font-family="Times,serif" font-size="14.00" fill="#006400">built&#45;in shell</text>
+<path fill="none" stroke="#006400" d="M874.6738,-223C874.6738,-223 944.46,-223 944.46,-223 950.46,-223 956.46,-229 956.46,-235 956.46,-235 956.46,-247 956.46,-247 956.46,-253 950.46,-259 944.46,-259 944.46,-259 874.6738,-259 874.6738,-259 868.6738,-259 862.6738,-253 862.6738,-247 862.6738,-247 862.6738,-235 862.6738,-235 862.6738,-229 868.6738,-223 874.6738,-223"/>
+<text text-anchor="middle" x="909.5669" y="-243.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#006400">built&#45;in</text>
+<text text-anchor="middle" x="909.5669" y="-229.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#006400">config shell</text>
 </g>
 <!-- known_user_key&#45;&gt;builtin_shell -->
 <g id="edge6" class="edge">
 <title>known_user_key&#45;&gt;builtin_shell</title>
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-<text text-anchor="middle" x="562.2959" y="-238.8" font-family="Times,serif" font-size="14.00" fill="#006400">user=admin</text>
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 <title>err_and_exit</title>
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+<text text-anchor="middle" x="909.5669" y="-117.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#ff0000">error</text>
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 <title>known_user_key&#45;&gt;err_and_exit</title>
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+<text text-anchor="middle" x="650.3159" y="-148.8" font-family="Helvetica,sans-Serif" font-size="14.00" fill="#ff0000">invalid user</text>
 </g>
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 <g id="node4" class="node">
 <title>invite_manager</title>
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-<text text-anchor="middle" x="562.2959" y="-30.8" font-family="Times,serif" font-size="14.00" fill="#ff8c00">invite manager</text>
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 </g>
 <!-- unknown_user_key&#45;&gt;invite_manager -->
 <g id="edge10" class="edge">
 <title>unknown_user_key&#45;&gt;invite_manager</title>
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-<text text-anchor="middle" x="455.4386" y="-31.7071" font-family="Times,serif" font-size="14.00" fill="#ff8c00">user=invite:&lt;token&gt;</text>
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 <title>learn_key</title>
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 <title>invite_manager&#45;&gt;learn_key</title>
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-<text text-anchor="middle" x="685.8271" y="-95.8" font-family="Times,serif" font-size="14.00" fill="#ff0000">invalid token</text>
+<path fill="none" stroke="#ff0000" d="M707.8521,-52.7546C759.019,-68.5437 832.1589,-91.1133 874.868,-104.2926"/>
+<text text-anchor="middle" x="785.1982" y="-91.8" font-family="Helvetica,sans-Serif" font-size="14.00" fill="#ff0000">invalid token</text>
 </g>
 <!-- ssh_proxy -->
 <g id="node7" class="node">
 <title>ssh_proxy</title>
-<polygon fill="none" stroke="#006400" points="766.3516,-168 766.3516,-204 844.1963,-204 844.1963,-168 766.3516,-168"/>
-<text text-anchor="middle" x="805.2739" y="-181.8" font-family="Times,serif" font-size="14.00" fill="#006400">SSH proxy</text>
+<path fill="none" stroke="#006400" d="M877.0117,-168C877.0117,-168 942.1221,-168 942.1221,-168 948.1221,-168 954.1221,-174 954.1221,-180 954.1221,-180 954.1221,-192 954.1221,-192 954.1221,-198 948.1221,-204 942.1221,-204 942.1221,-204 877.0117,-204 877.0117,-204 871.0117,-204 865.0117,-198 865.0117,-192 865.0117,-192 865.0117,-180 865.0117,-180 865.0117,-174 871.0117,-168 877.0117,-168"/>
+<text text-anchor="middle" x="909.5669" y="-188.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#006400">SSH proxy</text>
+<text text-anchor="middle" x="909.5669" y="-174.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#006400">Jump&#45;Host</text>
 </g>
 <!-- acl_manager&#45;&gt;ssh_proxy -->
 <g id="edge7" class="edge">
 <title>acl_manager&#45;&gt;ssh_proxy</title>
-<path fill="none" stroke="#006400" d="M610.0008,-192.3563C641.8818,-193.0022 684.7518,-193.37 722.5703,-192 733.3636,-191.609 744.9337,-190.9319 755.8983,-190.1699"/>
-<polygon fill="#006400" stroke="#006400" points="756.4612,-193.6382 766.18,-189.4199 755.9519,-186.6568 756.4612,-193.6382"/>
-<text text-anchor="middle" x="685.8271" y="-194.8" font-family="Times,serif" font-size="14.00" fill="#006400">authorized</text>
+<path fill="none" stroke="#006400" d="M704.0566,-192.4569C738.7694,-193.1138 784.9041,-193.4561 825.6738,-192 838.3694,-191.5466 852.1251,-190.7084 864.7541,-189.7993"/>
+<text text-anchor="middle" x="785.1982" y="-195.8" font-family="Helvetica,sans-Serif" font-size="14.00" fill="#006400">authorized</text>
 </g>
 <!-- acl_manager&#45;&gt;err_and_exit -->
 <g id="edge12" class="edge">
 <title>acl_manager&#45;&gt;err_and_exit</title>
-<path fill="none" stroke="#ff0000" d="M610.264,-178.009C646.3866,-168.197 697.1155,-154.3556 741.5703,-142 744.1794,-141.2748 746.8478,-140.5307 749.5426,-139.7772"/>
-<polygon fill="#ff0000" stroke="#ff0000" points="750.6733,-143.0952 759.3567,-137.025 748.7831,-136.3552 750.6733,-143.0952"/>
-<text text-anchor="middle" x="685.8271" y="-169.8" font-family="Times,serif" font-size="14.00" fill="#ff0000">unauthorized</text>
+<path fill="none" stroke="#ff0000" d="M703.7163,-179.7682C743.1076,-170.9461 797.7781,-157.5732 844.6738,-142 854.6331,-138.6927 865.2245,-134.5604 874.8992,-130.5307"/>
+<text text-anchor="middle" x="785.1982" y="-172.8" font-family="Helvetica,sans-Serif" font-size="14.00" fill="#ff0000">unauthorized</text>
 </g>
 <!-- host_1 -->
 <g id="node10" class="node">
 <title>host_1</title>
-<polygon fill="none" stroke="#0000ff" points="904.3086,-223 904.3086,-259 986.0908,-259 986.0908,-223 904.3086,-223"/>
-<text text-anchor="middle" x="945.1997" y="-236.8" font-family="Times,serif" font-size="14.00" fill="#0000ff">root@host1</text>
+<path fill="none" stroke="#0000ff" d="M1024.5425,-223C1024.5425,-223 1094.7456,-223 1094.7456,-223 1100.7456,-223 1106.7456,-229 1106.7456,-235 1106.7456,-235 1106.7456,-247 1106.7456,-247 1106.7456,-253 1100.7456,-259 1094.7456,-259 1094.7456,-259 1024.5425,-259 1024.5425,-259 1018.5425,-259 1012.5425,-253 1012.5425,-247 1012.5425,-247 1012.5425,-235 1012.5425,-235 1012.5425,-229 1018.5425,-223 1024.5425,-223"/>
+<text text-anchor="middle" x="1059.644" y="-236.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#0000ff">root@host1</text>
 </g>
 <!-- ssh_proxy&#45;&gt;host_1 -->
 <g id="edge3" class="edge">
 <title>ssh_proxy&#45;&gt;host_1</title>
-<path fill="none" stroke="#0000ff" d="M844.2511,-201.3206C859.7986,-207.4318 877.9046,-214.5486 894.4551,-221.054"/>
-<polygon fill="#0000ff" stroke="#0000ff" points="893.4017,-224.4006 903.9889,-224.8015 895.9624,-217.8858 893.4017,-224.4006"/>
+<path fill="none" stroke="#0000ff" d="M954.5012,-202.6151C964.678,-206.3678 975.4382,-210.3275 985.46,-214 994.2108,-217.2067 1003.5469,-220.6149 1012.54,-223.8913"/>
 </g>
 <!-- host_2 -->
 <g id="node11" class="node">
 <title>host_2</title>
-<polygon fill="none" stroke="#0000ff" points="887.9775,-168 887.9775,-204 1002.4219,-204 1002.4219,-168 887.9775,-168"/>
-<text text-anchor="middle" x="945.1997" y="-181.8" font-family="Times,serif" font-size="14.00" fill="#0000ff">user@host2:2222</text>
+<path fill="none" stroke="#0000ff" d="M1005.46,-168C1005.46,-168 1113.8281,-168 1113.8281,-168 1119.8281,-168 1125.8281,-174 1125.8281,-180 1125.8281,-180 1125.8281,-192 1125.8281,-192 1125.8281,-198 1119.8281,-204 1113.8281,-204 1113.8281,-204 1005.46,-204 1005.46,-204 999.46,-204 993.46,-198 993.46,-192 993.46,-192 993.46,-180 993.46,-180 993.46,-174 999.46,-168 1005.46,-168"/>
+<text text-anchor="middle" x="1059.644" y="-181.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#0000ff">user@host2:2222</text>
 </g>
 <!-- ssh_proxy&#45;&gt;host_2 -->
 <g id="edge4" class="edge">
 <title>ssh_proxy&#45;&gt;host_2</title>
-<path fill="none" stroke="#0000ff" d="M844.2511,-186C854.6959,-186 866.2954,-186 877.8023,-186"/>
-<polygon fill="#0000ff" stroke="#0000ff" points="877.8592,-189.5001 887.8591,-186 877.8591,-182.5001 877.8592,-189.5001"/>
+<path fill="none" stroke="#0000ff" d="M954.1887,-186C966.458,-186 980.0332,-186 993.2463,-186"/>
 </g>
 <!-- host_3 -->
 <g id="node12" class="node">
 <title>host_3</title>
-<polygon fill="none" stroke="#0000ff" points="888.3638,-113 888.3638,-149 1002.0356,-149 1002.0356,-113 888.3638,-113"/>
-<text text-anchor="middle" x="945.1997" y="-126.8" font-family="Times,serif" font-size="14.00" fill="#0000ff">root@host3:1234</text>
+<path fill="none" stroke="#0000ff" d="M1006.6392,-113C1006.6392,-113 1112.6489,-113 1112.6489,-113 1118.6489,-113 1124.6489,-119 1124.6489,-125 1124.6489,-125 1124.6489,-137 1124.6489,-137 1124.6489,-143 1118.6489,-149 1112.6489,-149 1112.6489,-149 1006.6392,-149 1006.6392,-149 1000.6392,-149 994.6392,-143 994.6392,-137 994.6392,-137 994.6392,-125 994.6392,-125 994.6392,-119 1000.6392,-113 1006.6392,-113"/>
+<text text-anchor="middle" x="1059.644" y="-126.8" font-family="Helvetica,sans-Serif" font-weight="bold" font-size="14.00" fill="#0000ff">root@host3:1234</text>
 </g>
 <!-- ssh_proxy&#45;&gt;host_3 -->
 <g id="edge5" class="edge">
 <title>ssh_proxy&#45;&gt;host_3</title>
-<path fill="none" stroke="#0000ff" d="M844.2511,-170.6794C858.381,-165.1255 874.624,-158.7409 889.8921,-152.7395"/>
-<polygon fill="#0000ff" stroke="#0000ff" points="891.2185,-155.9789 899.245,-149.0632 888.6578,-149.4641 891.2185,-155.9789"/>
+<path fill="none" stroke="#0000ff" d="M954.1887,-169.6471C971.9014,-163.1558 992.3359,-155.667 1010.4731,-149.0201"/>
 </g>
 </g>
 </svg>
--- a/.assets/overview.png
+++ b/.assets/overview.png
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,7 +1,7 @@
 defaults: &defaults
  working_directory: /go/src/moul.io/sshportal
  docker:
-    - image: circleci/golang:1.11
+    - image: circleci/golang:1.12.6
  environment:
    GO111MODULE: "on"

@@ -36,7 +36,7 @@ jobs:
          name: Install Docker Compose
          command: |
            umask 022
-            curl -L https://github.com/docker/compose/releases/download/1.11.2/docker-compose-`uname -s`-`uname -m` > ~/docker-compose
+            curl -L https://github.com/docker/compose/releases/download/1.11.4/docker-compose-`uname -s`-`uname -m` > ~/docker-compose
      - setup_remote_docker:
          docker_layer_caching: true
      - *install_retry
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,3 +1,5 @@
+# .git/  # should be kept for git-based versionning
+
 examples/
 .circleci/
 .assets/
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -0,0 +1,6 @@
+github: ["moul"]
+patreon: moul
+open_collective: sshportal
+custom:
+- "https://www.buymeacoffee.com/moul"
+- "https://manfred.life/donate"
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -0,0 +1,13 @@
+name: Semantic Release
+
+on: push
+
+jobs:
+  semantic-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: codfish/semantic-release-action@v1
+        if: github.ref == 'refs/heads/master'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
+dist/
+*~
+*#
+.*#
+.DS_Store
 /log/
 /sshportal
 *.db
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -0,0 +1,29 @@
+builds:
+  -
+    goos: [linux, darwin]
+    goarch: [386, amd64, arm, arm64]
+    ldflags:
+    - -s -w -X main.GitSha={{.ShortCommit}} -X main.GitBranch=master -X main.GitTag={{.Version}}
+archives:
+  - wrap_in_directory: true
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'
+brews:
+  -
+    name: sshportal
+    github:
+      owner: moul
+      name: homebrew-moul
+    commit_author:
+      name: moul-bot
+      email: "m+bot@42.am"
+    homepage: https://manfred.life/sshportal
+    description: "Simple, fun and transparent SSH (and telnet) bastion"
--- a/.releaserc.js
+++ b/.releaserc.js
@@ -0,0 +1,8 @@
+module.exports = {
+    branch: 'master',
+    plugins: [
+        '@semantic-release/commit-analyzer',
+        '@semantic-release/release-notes-generator',
+        '@semantic-release/github',
+    ],
+};
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog

+## master (unreleased)
+
+* No entry
+
+## v1.10.0 (2019-06-24)
+
+* Bump deps, now using github.com/gliderlabs/ssh upstream
+* Fix Windows build ([#101](https://github.com/moul/sshportal/pull/101)) by [@Raerten](https://github.com/Raerten)
+* Use environment variables for settings ([#98](https://github.com/moul/sshportal/pull/98)) by [@Raerten](https://github.com/Raerten)
+* Fix 'userkey create' ([#111](https://github.com/moul/sshportal/pull/111)) by [@shawn111](https://github.com/shawn111)
+* Set log files mode to 440 instead of 640 ([#134](https://github.com/moul/sshportal/pull/134)) by [@jle64](https://github.com/jle64)
+* Allow to create a host using an IP as name ([#135](https://github.com/moul/sshportal/pull/135)) by [@jle64](https://github.com/jle64)
+* Add username and session ID to session log filename ([#133](https://github.com/moul/sshportal/pull/133)) by [@jle64](https://github.com/jle64)
+* Unable to use encrypted SSH private keys ([#124](https://github.com/moul/sshportal/pull/124)) by [@welderpb](https://github.com/welderpb)
+* Fix format of ID in new session + closing channel if host is unreachable ([#123](https://github.com/moul/sshportal/pull/123)) by [@vdaviot](https://github.com/vdaviot)
+* Refactor the main package with a focus on splitting up into packages ([#113](https://github.com/moul/sshportal/pull/113)) by [@ahamidullah](https://github.com/ahamidullah)
+
+
 ## v1.9.0 (2018-11-18)

 * Add `hostgroup update` and `usergroup update` commands ([#58](https://github.com/moul/sshportal/pull/58)) by [@adyxax](https://github.com/adyxax)
--- a/7
+++ b/7
@@ -1,7 +1,10 @@
 # build
-FROM            golang:1.11 as builder
-COPY            . /go/src/moul.io/sshportal
+FROM golang:1.12.6 as builder
+ENV             GO111MODULE=on
 WORKDIR         /go/src/moul.io/sshportal
+COPY            go.mod go.sum ./
+RUN             go mod download
+COPY            . ./
 RUN             make _docker_install

 # minimal runtime
--- a/11
+++ b/11
@@ -45,3 +45,14 @@ doc:
 	dot -Tsvg ./.assets/overview.dot > ./.assets/overview.svg
 	dot -Tsvg ./.assets/cluster-mysql.dot > ./.assets/cluster-mysql.svg
 	dot -Tsvg ./.assets/flow-diagram.dot > ./.assets/flow-diagram.svg
+	dot -Tpng ./.assets/overview.dot > ./.assets/overview.png
+	dot -Tpng ./.assets/cluster-mysql.dot > ./.assets/cluster-mysql.png
+	dot -Tpng ./.assets/flow-diagram.dot > ./.assets/flow-diagram.png
+
+.PHONY: goreleaser
+goreleaser:
+	GORELEASER_GITHUB_TOKEN=$(GORELEASER_GITHUB_TOKEN) GITHUB_TOKEN=$(GITHUB_TOKEN) goreleaser --rm-dist
+
+.PHONY: goreleaser-dry-run
+goreleaser-dry-run:
+	goreleaser --snapshot --skip-publish --rm-dist
--- a/README.md
+++ b/README.md
@@ -1,65 +1,43 @@
 # sshportal

 [![CircleCI](https://circleci.com/gh/moul/sshportal.svg?style=svg)](https://circleci.com/gh/moul/sshportal)
-[![Docker Build Status](https://img.shields.io/docker/build/moul/sshportal.svg)](https://hub.docker.com/r/moul/sshportal/)
-[![Go Report Card](https://goreportcard.com/moul.io/sshportal)](https://goreportcard.com/report/moul.io/sshportal)
+[![Go Report Card](https://goreportcard.com/badge/moul.io/sshportal)](https://goreportcard.com/report/moul.io/sshportal)
 [![GoDoc](https://godoc.org/moul.io/sshportal?status.svg)](https://godoc.org/moul.io/sshportal)
-[![License](https://img.shields.io/github/license/moul/sshportal.svg)](https://github.com/moul/sshportal/blob/master/LICENSE)
+[![Financial Contributors on Open Collective](https://opencollective.com/sshportal/all/badge.svg?label=financial+contributors)](https://opencollective.com/sshportal) [![License](https://img.shields.io/github/license/moul/sshportal.svg)](https://github.com/moul/sshportal/blob/master/LICENSE)
 [![GitHub release](https://img.shields.io/github/release/moul/sshportal.svg)](https://github.com/moul/sshportal/releases)
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fmoul%2Fsshportal.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fmoul%2Fsshportal?ref=badge_shield)
+<!-- temporarily broken? [![Docker Build Status](https://img.shields.io/docker/build/moul/sshportal.svg)](https://hub.docker.com/r/moul/sshportal/) -->

 Jump host/Jump server without the jump, a.k.a Transparent SSH bastion

-![sshportal demo](https://github.com/moul/sshportal/raw/master/.assets/demo.gif)
+Features include: independence of users and hosts, convenient user invite system, connecting to servers that don't support SSH keys, various levels of access, and many more. Easy to install, run and configure.
+
+![Flow Diagram](https://raw.githubusercontent.com/moul/sshportal/master/.assets/flow-diagram.png)

 ---

-## Overview
+## Contents

-![sshportal overview](https://raw.github.com/moul/sshportal/master/.assets/overview.svg?sanitize=true)
+<!-- toc -->

-## Features
+- [Installation and usage](#installation-and-usage)
+- [Use cases](#use-cases)
+- [Features and limitations](#features-and-limitations)
+- [Docker](#docker)
+- [Manual Install](#manual-install)
+- [Backup / Restore](#backup--restore)
+- [built-in shell](#built-in-shell)
+- [Demo data](#demo-data)
+- [Shell commands](#shell-commands)
+- [Healthcheck](#healthcheck)
+- [portal alias (.ssh/config)](#portal-alias-sshconfig)
+- [Scaling](#scaling)
+- [Under the hood](#under-the-hood)

-* Single autonomous binary (~10-20Mb) with no runtime dependencies (embeds ssh server and client)
-* Portable / Cross-platform (regularly tested on linux and OSX/darwin)
-* Store data in [Sqlite3](https://www.sqlite.org/) or [MySQL](https://www.mysql.com) (probably easy to add postgres, mssql thanks to gorm)
-* Stateless -> horizontally scalable when using [MySQL](https://www.mysql.com) as the backend
-* Connect to remote host using key or password
-* Admin commands can be run directly or in an interactive shell
-* Host management
-* User management (invite, group, stats)
-* Host Key management (create, remove, update, import)
-* Automatic remote host key learning
-* User Key management (multile keys per user)
-* ACL management (acl+user-groups+host-groups)
-* User roles (admin, trusted, standard, ...)
-* User invitations (no more "give me your public ssh key please")
-* Easy server installation (generate shell command to setup `authorized_keys`)
-* Sensitive data encryption
-* Session management (see active connections, history, stats, stop)
-* Audit log (logging every user action)
-* Record TTY Session
-* Tunnels logging
-* Host Keys verifications shared across users
-* Healthcheck user (replying OK to any user)
-* SSH compatibility
-  * ipv4 and ipv6 support
-  * [`scp`](https://linux.die.net/man/1/scp) support
-  * [`rsync`](https://linux.die.net/man/1/rsync) support
-  * [tunneling](https://www.ssh.com/ssh/tunneling/example) (local forward, remote forward, dynamic forward) support
-  * [`sftp`](https://www.ssh.com/ssh/sftp/) support
-  * [`ssh-agent`](https://www.ssh.com/ssh/agent) support
-  * [`X11 forwarding`](http://en.tldp.org/HOWTO/XDMCP-HOWTO/ssh.html) support
-  * Git support (can be used to easily use multiple user keys on GitHub, or access your own firewalled gitlab server)
-  * Do not require any SSH client modification or custom `.ssh/config`, works with every tested SSH programming libraries and every tested SSH clients
-* SSH to non-SSH proxy
-  * [Telnet](https://www.ssh.com/ssh/telnet) support
+<!-- tocstop -->

-## (Known) limitations
+---

-* Does not work (yet?) with [`mosh`](https://mosh.org/)
-
-## Usage
+## Installation and usage

 Start the server

@@ -139,9 +117,151 @@ To associate this account with a key, use the following SSH user: 'invite:NfHK5a
 config>
 ```

-## Flow Diagram
+Demo gif:
+![sshportal demo](https://github.com/moul/sshportal/raw/master/.assets/demo.gif)

-![Flow Diagram](https://raw.github.com/moul/sshportal/master/.assets/flow-diagram.svg?sanitize=true)
+---
+
+## Use cases
+
+Used by educators to provide temporary access to students. [Feedback from a teacher](https://github.com/moul/sshportal/issues/64). The author is using it in one of his projects, *pathwar*, to dynamically configure hosts and users, so that he can give temporary accesses for educational purposes.
+
+*vptech*, the vente-privee.com technical team (a group of over 6000 people) is using it internally to manage access to servers/routers, saving hours on configuration management and not having to share the configuration information.
+
+There are companies who use a jump host to monitor connections at a single point.
+
+A hosting company is using SSHportal for its “logging” feature, among the others. As every session is logged and introspectable, they have a detailed history of who performed which action. This company made its own contribution on the project, allowing the support of [more than 65.000 sessions in the database](https://github.com/moul/sshportal/pull/76).
+
+The project has also received [multiple contributions from a security researcher](https://github.com/moul/sshportal/pulls?q=is%3Apr+author%3Asabban+sort%3Aupdated-desc) that made a thesis on quantum cryptography. This person uses SSHportal in their security-hardened hosting company.
+
+If you need to invite multiple people to an event (hackathon, course, etc), the day before the event you can create multiple accounts at once, print the invite, and distribute the paper.
+
+---
+
+## Features and limitations
+
+* Single autonomous binary (~10-20Mb) with no runtime dependencies (embeds ssh server and client)
+* Portable / Cross-platform (regularly tested on linux and OSX/darwin)
+* Store data in [Sqlite3](https://www.sqlite.org/) or [MySQL](https://www.mysql.com) (probably easy to add postgres, mssql thanks to gorm)
+* Stateless -> horizontally scalable when using [MySQL](https://www.mysql.com) as the backend
+* Connect to remote host using key or password
+* Admin commands can be run directly or in an interactive shell
+* Host management
+* User management (invite, group, stats)
+* Host Key management (create, remove, update, import)
+* Automatic remote host key learning
+* User Key management (multile keys per user)
+* ACL management (acl+user-groups+host-groups)
+* User roles (admin, trusted, standard, ...)
+* User invitations (no more "give me your public ssh key please")
+* Easy server installation (generate shell command to setup `authorized_keys`)
+* Sensitive data encryption
+* Session management (see active connections, history, stats, stop)
+* Audit log (logging every user action)
+* Record TTY Session
+* Tunnels logging
+* Host Keys verifications shared across users
+* Healthcheck user (replying OK to any user)
+* SSH compatibility
+  * ipv4 and ipv6 support
+  * [`scp`](https://linux.die.net/man/1/scp) support
+  * [`rsync`](https://linux.die.net/man/1/rsync) support
+  * [tunneling](https://www.ssh.com/ssh/tunneling/example) (local forward, remote forward, dynamic forward) support
+  * [`sftp`](https://www.ssh.com/ssh/sftp/) support
+  * [`ssh-agent`](https://www.ssh.com/ssh/agent) support
+  * [`X11 forwarding`](http://en.tldp.org/HOWTO/XDMCP-HOWTO/ssh.html) support
+  * Git support (can be used to easily use multiple user keys on GitHub, or access your own firewalled gitlab server)
+  * Do not require any SSH client modification or custom `.ssh/config`, works with every tested SSH programming libraries and every tested SSH clients
+* SSH to non-SSH proxy
+  * [Telnet](https://www.ssh.com/ssh/telnet) support
+
+**(Known) limitations**
+
+* Does not work (yet?) with [`mosh`](https://mosh.org/)
+
+---
+
+## Docker
+
+Docker is the recommended way to run sshportal.
+
+An [automated build is setup on the Docker Hub](https://hub.docker.com/r/moul/sshportal/tags/).
+
+```console
+# Start a server in background
+#   mount `pwd` to persist the sqlite database file
+docker run -p 2222:2222 -d --name=sshportal -v "$(pwd):$(pwd)" -w "$(pwd)" moul/sshportal:v1.10.0
+
+# check logs (mandatory on first run to get the administrator invite token)
+docker logs -f sshportal
+```
+
+The easier way to upgrade sshportal is to do the following:
+
+```sh
+# we consider you were using an old version and you want to use the new version v1.10.0
+
+# stop and rename the last working container + backup the database
+docker stop sshportal
+docker rename sshportal sshportal_old
+cp sshportal.db sshportal.db.bkp
+
+# run the new version
+docker run -p 2222:2222 -d --name=sshportal -v "$(pwd):$(pwd)" -w "$(pwd)" moul/sshportal:v1.10.0
+# check the logs for migration or cross-version incompabitility errors
+docker logs -f sshportal
+```
+
+Now you can test ssh-ing to sshportal to check if everything looks OK.
+
+In case of problem, you can rollback to the latest working version with the latest working backup, using:
+
+```sh
+docker stop sshportal
+docker rm sshportal
+cp sshportal.db.bkp sshportal.db
+docker rename sshportal_old sshportal
+docker start sshportal
+docker logs -f sshportal
+```
+
+---
+
+## Manual Install
+
+Get the latest version using GO.
+
+```sh
+go get -u moul.io/sshportal
+```
+
+---
+
+## Backup / Restore
+
+sshportal embeds built-in backup/restore methods which basically import/export JSON objects:
+
+```sh
+# Backup
+ssh portal config backup  > sshportal.bkp
+
+# Restore
+ssh portal config restore < sshportal.bkp
+```
+
+This method is particularly useful as it should be resistant against future DB schema changes (expected during development phase).
+
+I suggest you to be careful during this development phase, and use an additional backup method, for example:
+
+```sh
+# sqlite dump
+sqlite3 sshportal.db .dump > sshportal.sql.bkp
+
+# or just the immortal cp
+cp sshportal.db sshportal.db.bkp
+```
+
+---

 ## built-in shell

@@ -157,7 +277,29 @@ ssh admin@portal.example.org host inspect toto

 You can enter in interactive mode using this syntax: `ssh admin@portal.example.org`

-### Synopsis
+![sshportal overview](https://raw.github.com/moul/sshportal/master/.assets/overview.png)
+
+---
+
+## Demo data
+
+The following servers are freely available, without external registration,
+it makes it easier to quickly test `sshportal` without configuring your own servers to accept sshportal connections.
+
+```
+ssh portal host create new@sdf.org
+ssh sdf@portal
+
+ssh portal host create test@whoami.filippo.io
+ssh whoami@portal
+
+ssh portal host create test@chat.shazow.net
+ssh chat@portal
+```
+
+---
+
+## Shell commands

 ```sh
 # acl management
@@ -230,120 +372,7 @@ info [-h]
 version [-h]
 ```

-## Docker
-
-Docker is the recommended way to run sshportal.
-
-An [automated build is setup on the Docker Hub](https://hub.docker.com/r/moul/sshportal/tags/).
-
-```console
-# Start a server in background
-#   mount `pwd` to persist the sqlite database file
-docker run -p 2222:2222 -d --name=sshportal -v "$(pwd):$(pwd)" -w "$(pwd)" moul/sshportal:v1.9.0
-
-# check logs (mandatory on first run to get the administrator invite token)
-docker logs -f sshportal
-```
-
-The easier way to upgrade sshportal is to do the following:
-
-```sh
-# we consider you were using an old version and you want to use the new version v1.9.0
-
-# stop and rename the last working container + backup the database
-docker stop sshportal
-docker rename sshportal sshportal_old
-cp sshportal.db sshportal.db.bkp
-
-# run the new version
-docker run -p 2222:2222 -d --name=sshportal -v "$(pwd):$(pwd)" -w "$(pwd)" moul/sshportal:v1.9.0
-# check the logs for migration or cross-version incompabitility errors
-docker logs -f sshportal
-```
-
-Now you can test ssh-ing to sshportal to check if everything looks OK.
-
-In case of problem, you can rollback to the latest working version with the latest working backup, using:
-
-```sh
-docker stop sshportal
-docker rm sshportal
-cp sshportal.db.bkp sshportal.db
-docker rename sshportal_old sshportal
-docker start sshportal
-docker logs -f sshportal
-```
-
-## Manual Install
-
-Get the latest version using GO.
-
-```sh
-go get -u moul.io/sshportal
-```
-
-## portal alias (.ssh/config)
-
-Edit your `~/.ssh/config` file (create it first if needed)
-
-```ini
-Host portal
-  User      admin
-  Port      2222       # portal port
-  HostName  127.0.0.1  # portal hostname
-```
-
-```bash
-# you can now run a shell using this:
-ssh portal
-# instead of this:
-ssh localhost -p 2222 -l admin
-
-# or connect to hosts using this:
-ssh hostname@portal
-# instead of this:
-ssh localhost -p 2222 -l hostname
-```
-
-## Backup / Restore
-
-sshportal embeds built-in backup/restore methods which basically import/export JSON objects:
-
-```sh
-# Backup
-ssh portal config backup  > sshportal.bkp
-
-# Restore
-ssh portal config restore < sshportal.bkp
-```
-
-This method is particularly useful as it should be resistant against future DB schema changes (expected during development phase).
-
-I suggest you to be careful during this development phase, and use an additional backup method, for example:
-
-```sh
-# sqlite dump
-sqlite3 sshportal.db .dump > sshportal.sql.bkp
-
-# or just the immortal cp
-cp sshportal.db sshportal.db.bkp
-```
-
-## Demo data
-
-The following servers are freely available, without external registration,
-it makes it easier to quickly test `sshportal` without configuring your own servers to accept sshportal connections.
-
-```
-ssh portal host create new@sdf.org
-ssh sdf@portal
-
-ssh portal host create test@whoami.filippo.io
-ssh whoami@portal
-
-ssh portal host create test@chat.shazow.net
-ssh chat@portal
-```
+---

 ## Healthcheck

@@ -377,6 +406,33 @@ $ sshportal healthcheck --wait && ssh sshportal -l admin
 config>
 ```

+---
+
+## portal alias (.ssh/config)
+
+Edit your `~/.ssh/config` file (create it first if needed)
+
+```ini
+Host portal
+  User      admin
+  Port      2222       # portal port
+  HostName  127.0.0.1  # portal hostname
+```
+
+```bash
+# you can now run a shell using this:
+ssh portal
+# instead of this:
+ssh localhost -p 2222 -l admin
+
+# or connect to hosts using this:
+ssh hostname@portal
+# instead of this:
+ssh localhost -p 2222 -l hostname
+```
+
+---
+
 ## Scaling

 `sshportal` is stateless but relies on a database to store configuration and logs.
@@ -385,10 +441,12 @@ By default, `sshportal` uses a local [sqlite](https://www.sqlite.org/) database

 You can run multiple instances of `sshportal` sharing a same [MySQL](https://www.mysql.com) database, using `sshportal --db-conn=user:pass@host/dbname?parseTime=true --db-driver=mysql`.

-![sshportal cluster with MySQL backend](https://raw.github.com/moul/sshportal/master/.assets/cluster-mysql.svg?sanitize=true)
+![sshportal cluster with MySQL backend](https://raw.github.com/moul/sshportal/master/.assets/cluster-mysql.png)

 See [examples/mysql](http://github.com/moul/sshportal/tree/master/examples/mysql).

+---
+
 ## Under the hood

 * Docker first (used in dev, tests, by the CI and in production)
@@ -406,12 +464,34 @@ See [examples/mysql](http://github.com/moul/sshportal/tree/master/examples/mysql
    * https://github.com/mgutz/ansi: Terminal color helpers
    * https://github.com/urfave/cli: CLI flag parsing with subcommands support

-![sshportal data model](https://raw.github.com/moul/sshportal/master/.assets/sql-schema.svg?sanitize=true)
+![sshportal data model](https://raw.github.com/moul/sshportal/master/.assets/sql-schema.png)

-## Note
+## Contributors

-This is totally experimental for now, so please file issues to let me know what you think about it!
+### Code Contributors

+This project exists thanks to all the people who contribute. [[Contribute](CONTRIBUTING.md)].
+<a href="https://github.com/moul/sshportal/graphs/contributors"><img src="https://opencollective.com/sshportal/contributors.svg?width=890&button=false" /></a>

-## License
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fmoul%2Fsshportal.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fmoul%2Fsshportal?ref=badge_large)
+### Financial Contributors
+
+Become a financial contributor and help us sustain our community. [[Contribute](https://opencollective.com/sshportal/contribute)]
+
+#### Individuals
+
+<a href="https://opencollective.com/sshportal"><img src="https://opencollective.com/sshportal/individuals.svg?width=890"></a>
+
+#### Organizations
+
+Support this project with your organization. Your logo will show up here with a link to your website. [[Contribute](https://opencollective.com/sshportal/contribute)]
+
+<a href="https://opencollective.com/sshportal/organization/0/website"><img src="https://opencollective.com/sshportal/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/1/website"><img src="https://opencollective.com/sshportal/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/2/website"><img src="https://opencollective.com/sshportal/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/3/website"><img src="https://opencollective.com/sshportal/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/4/website"><img src="https://opencollective.com/sshportal/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/5/website"><img src="https://opencollective.com/sshportal/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/6/website"><img src="https://opencollective.com/sshportal/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/7/website"><img src="https://opencollective.com/sshportal/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/8/website"><img src="https://opencollective.com/sshportal/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/sshportal/organization/9/website"><img src="https://opencollective.com/sshportal/organization/9/avatar.svg"></a>
--- a/_config.yml
+++ b/_config.yml
@@ -0,0 +1 @@
+theme: jekyll-theme-slate
--- a/acl_test.go
+++ b/acl_test.go
@@ -1,47 +0,0 @@
-package main
-
-import (
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"testing"
-
-	"github.com/jinzhu/gorm"
-	. "github.com/smartystreets/goconvey/convey"
-)
-
-func TestCheckACLs(t *testing.T) {
-	Convey("Testing CheckACLs", t, func() {
-		// create tmp dir
-		tempDir, err := ioutil.TempDir("", "sshportal")
-		So(err, ShouldBeNil)
-		defer func() {
-			So(os.RemoveAll(tempDir), ShouldBeNil)
-		}()
-
-		// create sqlite db
-		db, err := gorm.Open("sqlite3", filepath.Join(tempDir, "sshportal.db"))
-		So(err, ShouldBeNil)
-		db.LogMode(false)
-		So(dbInit(db), ShouldBeNil)
-
-		// create dummy objects
-		var hostGroup HostGroup
-		err = HostGroupsByIdentifiers(db, []string{"default"}).First(&hostGroup).Error
-		So(err, ShouldBeNil)
-		db.Create(&Host{Groups: []*HostGroup{&hostGroup}})
-
-		//. load db
-		var (
-			hosts []Host
-			users []User
-		)
-		db.Preload("Groups").Preload("Groups.ACLs").Find(&hosts)
-		db.Preload("Groups").Preload("Groups.ACLs").Find(&users)
-
-		// test
-		action, err := CheckACLs(users[0], hosts[0])
-		So(err, ShouldBeNil)
-		So(action, ShouldEqual, ACLActionAllow)
-	})
-}
--- a/config.go
+++ b/config.go
@@ -1,52 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"time"
-
-	"github.com/urfave/cli"
-)
-
-type configServe struct {
-	aesKey          string
-	dbDriver, dbURL string
-	logsLocation    string
-	bindAddr        string
-	debug, demo     bool
-	idleTimeout     time.Duration
-}
-
-func parseServeConfig(c *cli.Context) (*configServe, error) {
-	ret := &configServe{
-		aesKey:       c.String("aes-key"),
-		dbDriver:     c.String("db-driver"),
-		dbURL:        c.String("db-conn"),
-		bindAddr:     c.String("bind-address"),
-		debug:        c.Bool("debug"),
-		demo:         c.Bool("demo"),
-		logsLocation: c.String("logs-location"),
-		idleTimeout:  c.Duration("idle-timeout"),
-	}
-	switch len(ret.aesKey) {
-	case 0, 16, 24, 32:
-	default:
-		return nil, fmt.Errorf("invalid aes key size, should be 16 or 24, 32")
-	}
-	return ret, nil
-}
-
-func ensureLogDirectory(location string) error {
-	// check for the logdir existence
-	logsLocation, err := os.Stat(location)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return os.MkdirAll(location, os.ModeDir|os.FileMode(0750))
-		}
-		return err
-	}
-	if !logsLocation.IsDir() {
-		return fmt.Errorf("log directory cannot be created")
-	}
-	return nil
-}
--- a/examples/integration/Makefile
+++ b/examples/integration/Makefile
@@ -5,3 +5,6 @@ run:
 	docker-compose exec sshportal /bin/sshportal healthcheck --wait --quiet
 	docker-compose run client /integration/_client.sh
 	docker-compose down
+
+build:
+	docker-compose build
--- a/examples/integration/_client.sh
+++ b/examples/integration/_client.sh
@@ -28,7 +28,7 @@ ssh sshportal -l invite:integration
 ssh sshportal -l admin hostgroup create
 ssh sshportal -l admin hostgroup create --name=hg1
 ssh sshportal -l admin hostgroup create --name=hg2 --comment=test
-ssh sshportal -l admin usergroup inspect hg1 hg2
+ssh sshportal -l admin hostgroup inspect hg1 hg2
 ssh sshportal -l admin hostgroup ls

 ssh sshportal -l admin usergroup create
--- a/examples/mysql/docker-compose.yml
+++ b/examples/mysql/docker-compose.yml
@@ -4,12 +4,16 @@ services:
  sshportal:
    build: ../..
    restart: unless-stopped
+    environment:
+      SSHPORTAL_DB_DRIVER: mysql
+      SSHPORTAL_DATABASE_URL: "root:root@tcp(mysql:3306)/db?charset=utf8&parseTime=true&loc=Local"
+      SSHPORTAL_DEBUG: 1
    depends_on:
      mysql:
        condition: service_healthy
    links:
      - mysql
-    command: server --db-driver=mysql --debug --db-conn="root:root@tcp(mysql:3306)/db?charset=utf8&parseTime=true&loc=Local"
+    command: server
    ports:
      - 2222:2222

--- a/go.mod
+++ b/go.mod
@@ -1,43 +1,32 @@
 module moul.io/sshportal

 require (
-	cloud.google.com/go v0.33.1 // indirect
+	cloud.google.com/go v0.40.0 // indirect
 	github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239
-	github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/denisenkom/go-mssqldb v0.0.0-20181014144952-4e0d7dc8888f // indirect
+	github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a
+	github.com/denisenkom/go-mssqldb v0.0.0-20190515213511-eb9f6a1743f3 // indirect
 	github.com/dustin/go-humanize v1.0.0
-	github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5 // indirect
 	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
-	github.com/gliderlabs/ssh v0.1.1 // indirect
-	github.com/go-gormigrate/gormigrate v1.2.1
-	github.com/go-sql-driver/mysql v1.4.1 // indirect
-	github.com/google/go-cmp v0.2.0 // indirect
+	github.com/gliderlabs/ssh v0.2.2
 	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
-	github.com/jinzhu/gorm v1.9.1
-	github.com/jinzhu/inflection v0.0.0-20180308033659-04140366298a // indirect
-	github.com/jinzhu/now v0.0.0-20181116074157-8ec929ed50c3 // indirect
-	github.com/joho/godotenv v1.3.0 // indirect
-	github.com/jtolds/gls v4.2.1+incompatible // indirect
+	github.com/jinzhu/gorm v1.9.2
 	github.com/kr/pty v1.1.3
-	github.com/lib/pq v1.0.0 // indirect
 	github.com/mattn/go-colorable v0.0.9 // indirect
 	github.com/mattn/go-isatty v0.0.4 // indirect
-	github.com/mattn/go-runewidth v0.0.3 // indirect
-	github.com/mattn/go-sqlite3 v1.10.0 // indirect
+	github.com/mattn/go-runewidth v0.0.4 // indirect
 	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b
-	github.com/moby/moby v0.0.0-20171102073902-76531ccdeb58
-	github.com/moul/ssh v0.1.1-0.20181116135657-8b3cdd49b6d2
+	github.com/moby/moby v0.7.3-0.20190103212154-2b7e084dc98b
 	github.com/olekukonko/tablewriter v0.0.1
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/reiver/go-oi v0.0.0-20160325061615-431c83978379
 	github.com/reiver/go-telnet v0.0.0-20180421082511-9ff0b2ab096e
 	github.com/sabban/bastion v0.0.0-20180110125408-b9d3c9b1f4d3
-	github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d // indirect
-	github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c
-	github.com/urfave/cli v0.0.0-20171031025534-7f4b273a0585
-	golang.org/x/crypto v0.0.0-20181112202954-3d3f9f413869
-	golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8 // indirect
-	google.golang.org/appengine v1.3.0 // indirect
-	gopkg.in/stretchr/testify.v1 v1.2.2 // indirect
+	github.com/smartystreets/assertions v0.0.0-20190401211740-f487f9de1cd3 // indirect
+	github.com/smartystreets/goconvey v1.6.4-0.20190330032615-68dc04aab96a
+	github.com/urfave/cli v1.20.0
+	golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8
+	golang.org/x/sys v0.0.0-20190613124609-5ed2794edfdc // indirect
+	google.golang.org/appengine v1.6.1 // indirect
+	gopkg.in/gormigrate.v1 v1.5.0
 )
+
+go 1.12.6
--- a/go.sum
+++ b/go.sum
@@ -1,85 +1,227 @@
-cloud.google.com/go v0.33.1 h1:fmJQWZ1w9PGkHR1YL/P7HloDvqlmKQ4Vpb7PC2e+aCk=
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.33.1/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.40.0 h1:FjSY7bOj+WzJe6TZRVtXI2b9kAYvtNg4lMbcH2+MUkk=
+cloud.google.com/go v0.40.0/go.mod h1:Tk58MuI9rbLMKlAjeO/bDnteAx7tX2gJIXw4T5Jwlro=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
+github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
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+honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
--- a/helm/sshportal/.helmignore
+++ b/helm/sshportal/.helmignore
@@ -0,0 +1,22 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
--- a/helm/sshportal/Chart.yaml
+++ b/helm/sshportal/Chart.yaml
@@ -0,0 +1,21 @@
+apiVersion: v2
+name: sshportal
+description: A Helm chart for SSHPortal on Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application.
+appVersion: 1.10.0
--- a/helm/sshportal/templates/NOTES.txt
+++ b/helm/sshportal/templates/NOTES.txt
@@ -0,0 +1,33 @@
+1. Get the admin invitation token (only on first install):
+  export INVITE=$(kubectl --namespace sshportal logs -l "app.kubernetes.io/name={{ include "sshportal.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" | grep -Eo "invite:[a-zA-Z0-9]+")
+
+2. Get the service IP and Port:
+{{- if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "sshportal.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "sshportal.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "sshportal.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "sshportal.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 2222:{{ .Values.service.port }}
+{{- end }}
+
+3. Enroll your SSH public key:
+{{- if contains "NodePort" .Values.service.type }}
+  ssh $NODE_IP -p $NODE_PORT -l $INVITE
+{{- else if contains "LoadBalancer" .Values.service.type }}
+  ssh $SERVICE_IP -p {{ .Values.service.port }} -l $INVITE
+{{- else if contains "ClusterIP" .Values.service.type }}
+  ssh localhost -p 2222 -l $INVITE
+{{- end }}
+
+4. Configure your {{ include "sshportal.name" . }} install:
+{{- if contains "NodePort" .Values.service.type }}
+  ssh admin@$NODE_IP -p $NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+  ssh admin@$SERVICE_IP -p {{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  ssh admin@localhost -p 2222
+{{- end }}
--- a/helm/sshportal/templates/_helpers.tpl
+++ b/helm/sshportal/templates/_helpers.tpl
@@ -0,0 +1,63 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "sshportal.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "sshportal.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "sshportal.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "sshportal.labels" -}}
+helm.sh/chart: {{ include "sshportal.chart" . }}
+{{ include "sshportal.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "sshportal.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "sshportal.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end -}}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "sshportal.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create -}}
+    {{ default (include "sshportal.fullname" .) .Values.serviceAccount.name }}
+{{- else -}}
+    {{ default "default" .Values.serviceAccount.name }}
+{{- end -}}
+{{- end -}}
--- a/helm/sshportal/templates/deployment.yaml
+++ b/helm/sshportal/templates/deployment.yaml
@@ -0,0 +1,69 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "sshportal.fullname" . }}
+  labels:
+    {{- include "sshportal.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "sshportal.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "sshportal.selectorLabels" . | nindent 8 }}
+    spec:
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:v{{ .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: ssh
+              containerPort: 2222
+              protocol: TCP
+          livenessProbe:
+            exec:
+              command:
+                - sshportal
+                - healthcheck
+                - --quiet
+          readinessProbe:
+            exec:
+              command:
+                - sshportal
+                - healthcheck
+                - --quiet
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          env:
+          {{- if .Values.mysql.enabled }}
+          - name: SSHPORTAL_DATABASE_URL
+            value: {{ .Values.mysql.user }}:{{ .Values.mysql.password }}@tcp({{ .Values.mysql.server }}:{{ .Values.mysql.port }})/{{ .Values.mysql.database }}?charset=utf8&parseTime=true&loc=Local
+          - name: SSHPORTAL_DB_DRIVER
+            value: mysql
+          {{- end }}
+          {{- if .Values.debug}}
+          - name: SSHPORTAL_DEBUG
+            value: "1"
+          {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
--- a/helm/sshportal/templates/horizontal-pod-autoscaling.yaml
+++ b/helm/sshportal/templates/horizontal-pod-autoscaling.yaml
@@ -0,0 +1,21 @@
+{{- if .Values.mysql.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "sshportal.fullname" . }}
+  labels:
+    {{- include "sshportal.labels" . | nindent 4 }}
+spec:
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "sshportal.fullname" . }}
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.cpuTarget }}
+{{- end }}
+
--- a/helm/sshportal/templates/service.yaml
+++ b/helm/sshportal/templates/service.yaml
@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "sshportal.fullname" . }}
+  annotations:
+    {{- toYaml .Values.service.annotations | nindent 4 }}
+  labels:
+    {{- include "sshportal.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: 2222
+      protocol: TCP
+      name: ssh
+  selector:
+    {{- include "sshportal.selectorLabels" . | nindent 4 }}
--- a/helm/sshportal/templates/tests/test-connection.yaml
+++ b/helm/sshportal/templates/tests/test-connection.yaml
@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "sshportal.fullname" . }}-test-connection"
+  labels:
+{{ include "sshportal.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test-success
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args:  ['{{ include "sshportal.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never
--- a/helm/sshportal/values.yaml
+++ b/helm/sshportal/values.yaml
@@ -0,0 +1,119 @@
+# Default values for sshportal.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+## Enable SSHPortal debug mode
+##
+debug: false
+
+## SSH Portal Docker image
+##
+image:
+  repository: moul/sshportal
+  pullPolicy: IfNotPresent
+
+## Reference to one or more secrets to be used when pulling images
+## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+##
+imagePullSecrets: []
+
+## Provide a name in place of sshportal for `app:` labels
+##
+nameOverride: ""
+
+## Provide a name to substitute for the full names of resources
+##
+fullnameOverride: ""
+
+## PodSecurityContext holds pod-level security attributes.
+## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
+##
+podSecurityContext: {}
+  # fsGroup: 2000
+
+## SecurityContext holds container-level security attributes.
+## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
+##
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+## Service
+##
+service:
+  ## Configure additional annotations for SSHPortal service
+  ##
+  annotations: {}
+    # service.beta.kubernetes.io/openstack-internal-load-balancer: "true"
+
+  ## Service type, one of
+  ## NodePort, ClusterIP, LoadBalancer
+  ##
+  type: LoadBalancer
+
+  ## Port to expose on the service
+  ##
+  port: 22
+
+## Define resources requests and limits
+## ref: https://kubernetes.io/docs/user-guide/compute-resources/
+##
+resources: {}
+  # requests:
+  #   cpu: 100m
+  #   memory: 128Mi
+  # limits:
+  #   cpu: 2
+  #   memory: 2Gi
+
+## Mysql/MariaDB configuration for HA
+##
+mysql:
+  enabled: false
+
+  ## Database user
+  ##
+  user: sshportal
+
+  ## Database password
+  ##
+  password: change_me
+
+  ## Database name
+  ##
+  database: sshportal
+
+  ## Database server FQDN or IP
+  ##
+  server: mariadb-mariadb-galera
+
+  ## Database port
+  ##
+  port: 3306
+
+## Define which Nodes the Pods are scheduled on.
+## ref: https://kubernetes.io/docs/user-guide/node-selection/
+##
+nodeSelector: {}
+
+## The pod's tolerations.
+## ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+##
+tolerations: []
+
+## Assign custom affinity rules
+## ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
+##
+affinity: {}
+
+## HPA support, require `mysql.enable: true`
+## This section enables sshportal to autoscale based on metrics.
+##
+autoscaling:
+  maxReplicas: 4
+  minReplicas: 2
+  cpuTarget: 60
--- a/main.go
+++ b/main.go
@@ -1,26 +1,20 @@
 package main // import "moul.io/sshportal"

 import (
-	"fmt"
 	"log"
-	"math"
 	"math/rand"
-	"net"
 	"os"
 	"path"
 	"time"

-	"github.com/jinzhu/gorm"
 	_ "github.com/jinzhu/gorm/dialects/mysql"
 	_ "github.com/jinzhu/gorm/dialects/sqlite"
-	"github.com/moul/ssh"
 	"github.com/urfave/cli"
-	gossh "golang.org/x/crypto/ssh"
 )

 var (
 	// Version should be updated by hand at each release
-	Version = "1.9.0"
+	Version = "1.10.0+dev"
 	// GitTag will be overwritten automatically by the build system
 	GitTag string
 	// GitSha will be overwritten automatically by the build system
@@ -45,7 +39,7 @@ func main() {
 				if err := ensureLogDirectory(c.String("logs-location")); err != nil {
 					return err
 				}
-				cfg, err := parseServeConfig(c)
+				cfg, err := parseServerConfig(c)
 				if err != nil {
 					return err
 				}
@@ -59,27 +53,32 @@ func main() {
 					Usage:  "SSH server bind address",
 				},
 				cli.StringFlag{
-					Name:  "db-driver",
-					Value: "sqlite3",
-					Usage: "GORM driver (sqlite3)",
+					Name:   "db-driver",
+					EnvVar: "SSHPORTAL_DB_DRIVER",
+					Value:  "sqlite3",
+					Usage:  "GORM driver (sqlite3)",
 				},
 				cli.StringFlag{
-					Name:  "db-conn",
-					Value: "./sshportal.db",
-					Usage: "GORM connection string",
+					Name:   "db-conn",
+					EnvVar: "SSHPORTAL_DATABASE_URL",
+					Value:  "./sshportal.db",
+					Usage:  "GORM connection string",
 				},
 				cli.BoolFlag{
-					Name:  "debug, D",
-					Usage: "Display debug information",
+					Name:   "debug, D",
+					EnvVar: "SSHPORTAL_DEBUG",
+					Usage:  "Display debug information",
 				},
 				cli.StringFlag{
-					Name:  "aes-key",
-					Usage: "Encrypt sensitive data in database (length: 16, 24 or 32)",
+					Name:   "aes-key",
+					EnvVar: "SSHPORTAL_AES_KEY",
+					Usage:  "Encrypt sensitive data in database (length: 16, 24 or 32)",
 				},
 				cli.StringFlag{
-					Name:  "logs-location",
-					Value: "./log",
-					Usage: "Store user session files",
+					Name:   "logs-location",
+					EnvVar: "SSHPORTAL_LOGS_LOCATION",
+					Value:  "./log",
+					Usage:  "Store user session files",
 				},
 				cli.DurationFlag{
 					Name:  "idle-timeout",
@@ -115,82 +114,3 @@ func main() {
 		log.Fatalf("error: %v", err)
 	}
 }
-
-var defaultChannelHandler ssh.ChannelHandler
-
-func server(c *configServe) (err error) {
-	var db = (*gorm.DB)(nil)
-
-	// try to setup the local DB
-	if db, err = gorm.Open(c.dbDriver, c.dbURL); err != nil {
-		return
-	}
-	defer func() {
-		origErr := err
-		err = db.Close()
-		if origErr != nil {
-			err = origErr
-		}
-	}()
-	if err = db.DB().Ping(); err != nil {
-		return
-	}
-	db.LogMode(c.debug)
-	if err = dbInit(db); err != nil {
-		return
-	}
-
-	// create TCP listening socket
-	ln, err := net.Listen("tcp", c.bindAddr)
-	if err != nil {
-		return err
-	}
-
-	// configure server
-	srv := &ssh.Server{
-		Addr:    c.bindAddr,
-		Handler: shellHandler, // ssh.Server.Handler is the handler for the DefaultSessionHandler
-		Version: fmt.Sprintf("sshportal-%s", Version),
-	}
-
-	// configure channel handler
-	defaultSessionHandler := srv.GetChannelHandler("session")
-	defaultDirectTcpipHandler := srv.GetChannelHandler("direct-tcpip")
-	defaultChannelHandler = func(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context) {
-		switch newChan.ChannelType() {
-		case "session":
-			go defaultSessionHandler(srv, conn, newChan, ctx)
-		case "direct-tcpip":
-			go defaultDirectTcpipHandler(srv, conn, newChan, ctx)
-		default:
-			if err := newChan.Reject(gossh.UnknownChannelType, "unsupported channel type"); err != nil {
-				log.Printf("failed to reject chan: %v", err)
-			}
-		}
-	}
-	srv.SetChannelHandler("session", nil)
-	srv.SetChannelHandler("direct-tcpip", nil)
-	srv.SetChannelHandler("default", channelHandler)
-
-	if c.idleTimeout != 0 {
-		srv.IdleTimeout = c.idleTimeout
-		// gliderlabs/ssh requires MaxTimeout to be non-zero if we want to use IdleTimeout.
-		// So, set it to the max value, because we don't want a max timeout.
-		srv.MaxTimeout = math.MaxInt64
-	}
-
-	for _, opt := range []ssh.Option{
-		// custom PublicKeyAuth handler
-		ssh.PublicKeyAuth(publicKeyAuthHandler(db, c)),
-		ssh.PasswordAuth(passwordAuthHandler(db, c)),
-		// retrieve sshportal SSH private key from database
-		privateKeyFromDB(db, c.aesKey),
-	} {
-		if err := srv.SetOption(opt); err != nil {
-			return err
-		}
-	}
-
-	log.Printf("info: SSH Server accepting connections on %s, idle-timout=%v", c.bindAddr, c.idleTimeout)
-	return srv.Serve(ln)
-}
--- a/pkg/bastion/acl.go
+++ b/pkg/bastion/acl.go
@@ -1,16 +1,20 @@
-package main
+package bastion // import "moul.io/sshportal/pkg/bastion"

-import "sort"
+import (
+	"sort"

-type ByWeight []*ACL
+	"moul.io/sshportal/pkg/dbmodels"
+)

-func (a ByWeight) Len() int           { return len(a) }
-func (a ByWeight) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
-func (a ByWeight) Less(i, j int) bool { return a[i].Weight < a[j].Weight }
+type byWeight []*dbmodels.ACL

-func CheckACLs(user User, host Host) (string, error) {
+func (a byWeight) Len() int           { return len(a) }
+func (a byWeight) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
+func (a byWeight) Less(i, j int) bool { return a[i].Weight < a[j].Weight }
+
+func checkACLs(user dbmodels.User, host dbmodels.Host) (string, error) {
 	// shared ACLs between user and host
-	aclMap := map[uint]*ACL{}
+	aclMap := map[uint]*dbmodels.ACL{}
 	for _, userGroup := range user.Groups {
 		for _, userGroupACL := range userGroup.ACLs {
 			for _, hostGroup := range host.Groups {
@@ -26,15 +30,15 @@ func CheckACLs(user User, host Host) (string, error) {

 	// deny by default if no shared ACL
 	if len(aclMap) == 0 {
-		return string(ACLActionDeny), nil // default action
+		return string(dbmodels.ACLActionDeny), nil // default action
 	}

 	// transform map to slice and sort it
-	acls := make([]*ACL, 0, len(aclMap))
+	acls := make([]*dbmodels.ACL, 0, len(aclMap))
 	for _, acl := range aclMap {
 		acls = append(acls, acl)
 	}
-	sort.Sort(ByWeight(acls))
+	sort.Sort(byWeight(acls))

 	return acls[0].Action, nil
 }
--- a/pkg/bastion/acl_test.go
+++ b/pkg/bastion/acl_test.go
@@ -0,0 +1,50 @@
+package bastion // import "moul.io/sshportal/pkg/bastion"
+
+import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/jinzhu/gorm"
+	_ "github.com/jinzhu/gorm/dialects/mysql"
+	_ "github.com/jinzhu/gorm/dialects/sqlite"
+	. "github.com/smartystreets/goconvey/convey"
+	"moul.io/sshportal/pkg/dbmodels"
+)
+
+func TestCheckACLs(t *testing.T) {
+	Convey("Testing CheckACLs", t, func(c C) {
+		// create tmp dir
+		tempDir, err := ioutil.TempDir("", "sshportal")
+		c.So(err, ShouldBeNil)
+		defer func() {
+			c.So(os.RemoveAll(tempDir), ShouldBeNil)
+		}()
+
+		// create sqlite db
+		db, err := gorm.Open("sqlite3", filepath.Join(tempDir, "sshportal.db"))
+		c.So(err, ShouldBeNil)
+		db.LogMode(false)
+		c.So(DBInit(db), ShouldBeNil)
+
+		// create dummy objects
+		var hostGroup dbmodels.HostGroup
+		err = dbmodels.HostGroupsByIdentifiers(db, []string{"default"}).First(&hostGroup).Error
+		c.So(err, ShouldBeNil)
+		db.Create(&dbmodels.Host{Groups: []*dbmodels.HostGroup{&hostGroup}})
+
+		//. load db
+		var (
+			hosts []dbmodels.Host
+			users []dbmodels.User
+		)
+		db.Preload("Groups").Preload("Groups.ACLs").Find(&hosts)
+		db.Preload("Groups").Preload("Groups.ACLs").Find(&users)
+
+		// test
+		action, err := checkACLs(users[0], hosts[0])
+		c.So(err, ShouldBeNil)
+		c.So(action, ShouldEqual, dbmodels.ACLActionAllow)
+	})
+}
--- a/pkg/bastion/dbinit.go
+++ b/pkg/bastion/dbinit.go
@@ -1,20 +1,23 @@
-package main
+package bastion // import "moul.io/sshportal/pkg/bastion"

 import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"math/rand"
 	"os"
 	"os/user"
 	"strings"
 	"time"

-	"github.com/go-gormigrate/gormigrate"
 	"github.com/jinzhu/gorm"
 	gossh "golang.org/x/crypto/ssh"
+	gormigrate "gopkg.in/gormigrate.v1"
+	"moul.io/sshportal/pkg/crypto"
+	"moul.io/sshportal/pkg/dbmodels"
 )

-func dbInit(db *gorm.DB) error {
+func DBInit(db *gorm.DB) error {
 	log.SetOutput(ioutil.Discard)
 	db.Callback().Delete().Replace("gorm:delete", hardDeleteCallback)
 	log.SetOutput(os.Stderr)
@@ -43,9 +46,9 @@ func dbInit(db *gorm.DB) error {
 					Type        string
 					Length      uint
 					Fingerprint string
-					PrivKey     string  `sql:"size:10000"`
-					PubKey      string  `sql:"size:10000"`
-					Hosts       []*Host `gorm:"ForeignKey:SSHKeyID"`
+					PrivKey     string           `sql:"size:10000"`
+					PubKey      string           `sql:"size:10000"`
+					Hosts       []*dbmodels.Host `gorm:"ForeignKey:SSHKeyID"`
 					Comment     string
 				}
 				return tx.AutoMigrate(&SSHKey{}).Error
@@ -63,9 +66,9 @@ func dbInit(db *gorm.DB) error {
 					Addr        string
 					User        string
 					Password    string
-					SSHKey      *SSHKey      `gorm:"ForeignKey:SSHKeyID"`
-					SSHKeyID    uint         `gorm:"index"`
-					Groups      []*HostGroup `gorm:"many2many:host_host_groups;"`
+					SSHKey      *dbmodels.SSHKey      `gorm:"ForeignKey:SSHKeyID"`
+					SSHKeyID    uint                  `gorm:"index"`
+					Groups      []*dbmodels.HostGroup `gorm:"many2many:host_host_groups;"`
 					Fingerprint string
 					Comment     string
 				}
@@ -79,9 +82,9 @@ func dbInit(db *gorm.DB) error {
 			Migrate: func(tx *gorm.DB) error {
 				type UserKey struct {
 					gorm.Model
-					Key     []byte `sql:"size:10000"`
-					UserID  uint   ``
-					User    *User  `gorm:"ForeignKey:UserID"`
+					Key     []byte         `sql:"size:10000"`
+					UserID  uint           ``
+					User    *dbmodels.User `gorm:"ForeignKey:UserID"`
 					Comment string
 				}
 				return tx.AutoMigrate(&UserKey{}).Error
@@ -98,8 +101,8 @@ func dbInit(db *gorm.DB) error {
 					IsAdmin     bool
 					Email       string
 					Name        string
-					Keys        []*UserKey   `gorm:"ForeignKey:UserID"`
-					Groups      []*UserGroup `gorm:"many2many:user_user_groups;"`
+					Keys        []*dbmodels.UserKey   `gorm:"ForeignKey:UserID"`
+					Groups      []*dbmodels.UserGroup `gorm:"many2many:user_user_groups;"`
 					Comment     string
 					InviteToken string
 				}
@@ -114,8 +117,8 @@ func dbInit(db *gorm.DB) error {
 				type UserGroup struct {
 					gorm.Model
 					Name    string
-					Users   []*User `gorm:"many2many:user_user_groups;"`
-					ACLs    []*ACL  `gorm:"many2many:user_group_acls;"`
+					Users   []*dbmodels.User `gorm:"many2many:user_user_groups;"`
+					ACLs    []*dbmodels.ACL  `gorm:"many2many:user_group_acls;"`
 					Comment string
 				}
 				return tx.AutoMigrate(&UserGroup{}).Error
@@ -129,8 +132,8 @@ func dbInit(db *gorm.DB) error {
 				type HostGroup struct {
 					gorm.Model
 					Name    string
-					Hosts   []*Host `gorm:"many2many:host_host_groups;"`
-					ACLs    []*ACL  `gorm:"many2many:host_group_acls;"`
+					Hosts   []*dbmodels.Host `gorm:"many2many:host_host_groups;"`
+					ACLs    []*dbmodels.ACL  `gorm:"many2many:host_group_acls;"`
 					Comment string
 				}
 				return tx.AutoMigrate(&HostGroup{}).Error
@@ -143,8 +146,8 @@ func dbInit(db *gorm.DB) error {
 			Migrate: func(tx *gorm.DB) error {
 				type ACL struct {
 					gorm.Model
-					HostGroups  []*HostGroup `gorm:"many2many:host_group_acls;"`
-					UserGroups  []*UserGroup `gorm:"many2many:user_group_acls;"`
+					HostGroups  []*dbmodels.HostGroup `gorm:"many2many:host_group_acls;"`
+					UserGroups  []*dbmodels.UserGroup `gorm:"many2many:user_group_acls;"`
 					HostPattern string
 					Action      string
 					Weight      uint
@@ -159,64 +162,64 @@ func dbInit(db *gorm.DB) error {
 		}, {
 			ID: "9",
 			Migrate: func(tx *gorm.DB) error {
-				db.Model(&Setting{}).RemoveIndex("uix_settings_name")
-				return db.Model(&Setting{}).AddUniqueIndex("uix_settings_name", "name").Error
+				db.Model(&dbmodels.Setting{}).RemoveIndex("uix_settings_name")
+				return db.Model(&dbmodels.Setting{}).AddUniqueIndex("uix_settings_name", "name").Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return db.Model(&Setting{}).RemoveIndex("uix_settings_name").Error
+				return db.Model(&dbmodels.Setting{}).RemoveIndex("uix_settings_name").Error
 			},
 		}, {
 			ID: "10",
 			Migrate: func(tx *gorm.DB) error {
-				db.Model(&SSHKey{}).RemoveIndex("uix_keys_name")
-				return db.Model(&SSHKey{}).AddUniqueIndex("uix_keys_name", "name").Error
+				db.Model(&dbmodels.SSHKey{}).RemoveIndex("uix_keys_name")
+				return db.Model(&dbmodels.SSHKey{}).AddUniqueIndex("uix_keys_name", "name").Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return db.Model(&SSHKey{}).RemoveIndex("uix_keys_name").Error
+				return db.Model(&dbmodels.SSHKey{}).RemoveIndex("uix_keys_name").Error
 			},
 		}, {
 			ID: "11",
 			Migrate: func(tx *gorm.DB) error {
-				db.Model(&Host{}).RemoveIndex("uix_hosts_name")
-				return db.Model(&Host{}).AddUniqueIndex("uix_hosts_name", "name").Error
+				db.Model(&dbmodels.Host{}).RemoveIndex("uix_hosts_name")
+				return db.Model(&dbmodels.Host{}).AddUniqueIndex("uix_hosts_name", "name").Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return db.Model(&Host{}).RemoveIndex("uix_hosts_name").Error
+				return db.Model(&dbmodels.Host{}).RemoveIndex("uix_hosts_name").Error
 			},
 		}, {
 			ID: "12",
 			Migrate: func(tx *gorm.DB) error {
-				db.Model(&User{}).RemoveIndex("uix_users_name")
-				return db.Model(&User{}).AddUniqueIndex("uix_users_name", "name").Error
+				db.Model(&dbmodels.User{}).RemoveIndex("uix_users_name")
+				return db.Model(&dbmodels.User{}).AddUniqueIndex("uix_users_name", "name").Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return db.Model(&User{}).RemoveIndex("uix_users_name").Error
+				return db.Model(&dbmodels.User{}).RemoveIndex("uix_users_name").Error
 			},
 		}, {
 			ID: "13",
 			Migrate: func(tx *gorm.DB) error {
-				db.Model(&UserGroup{}).RemoveIndex("uix_usergroups_name")
-				return db.Model(&UserGroup{}).AddUniqueIndex("uix_usergroups_name", "name").Error
+				db.Model(&dbmodels.UserGroup{}).RemoveIndex("uix_usergroups_name")
+				return db.Model(&dbmodels.UserGroup{}).AddUniqueIndex("uix_usergroups_name", "name").Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return db.Model(&UserGroup{}).RemoveIndex("uix_usergroups_name").Error
+				return db.Model(&dbmodels.UserGroup{}).RemoveIndex("uix_usergroups_name").Error
 			},
 		}, {
 			ID: "14",
 			Migrate: func(tx *gorm.DB) error {
-				db.Model(&HostGroup{}).RemoveIndex("uix_hostgroups_name")
-				return db.Model(&HostGroup{}).AddUniqueIndex("uix_hostgroups_name", "name").Error
+				db.Model(&dbmodels.HostGroup{}).RemoveIndex("uix_hostgroups_name")
+				return db.Model(&dbmodels.HostGroup{}).AddUniqueIndex("uix_hostgroups_name", "name").Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return db.Model(&HostGroup{}).RemoveIndex("uix_hostgroups_name").Error
+				return db.Model(&dbmodels.HostGroup{}).RemoveIndex("uix_hostgroups_name").Error
 			},
 		}, {
 			ID: "15",
 			Migrate: func(tx *gorm.DB) error {
 				type UserRole struct {
 					gorm.Model
-					Name  string  `valid:"required,length(1|32),unix_user"`
-					Users []*User `gorm:"many2many:user_user_roles"`
+					Name  string           `valid:"required,length(1|32),unix_user"`
+					Users []*dbmodels.User `gorm:"many2many:user_user_roles"`
 				}
 				return tx.AutoMigrate(&UserRole{}).Error
 			},
@@ -229,13 +232,13 @@ func dbInit(db *gorm.DB) error {
 				type User struct {
 					gorm.Model
 					IsAdmin     bool
-					Roles       []*UserRole  `gorm:"many2many:user_user_roles"`
-					Email       string       `valid:"required,email"`
-					Name        string       `valid:"required,length(1|32),unix_user"`
-					Keys        []*UserKey   `gorm:"ForeignKey:UserID"`
-					Groups      []*UserGroup `gorm:"many2many:user_user_groups;"`
-					Comment     string       `valid:"optional"`
-					InviteToken string       `valid:"optional,length(10|60)"`
+					Roles       []*dbmodels.UserRole  `gorm:"many2many:user_user_roles"`
+					Email       string                `valid:"required,email"`
+					Name        string                `valid:"required,length(1|32),unix_user"`
+					Keys        []*dbmodels.UserKey   `gorm:"ForeignKey:UserID"`
+					Groups      []*dbmodels.UserGroup `gorm:"many2many:user_user_groups;"`
+					Comment     string                `valid:"optional"`
+					InviteToken string                `valid:"optional,length(10|60)"`
 				}
 				return tx.AutoMigrate(&User{}).Error
 			},
@@ -245,20 +248,20 @@ func dbInit(db *gorm.DB) error {
 		}, {
 			ID: "17",
 			Migrate: func(tx *gorm.DB) error {
-				return tx.Create(&UserRole{Name: "admin"}).Error
+				return tx.Create(&dbmodels.UserRole{Name: "admin"}).Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return tx.Where("name = ?", "admin").Delete(&UserRole{}).Error
+				return tx.Where("name = ?", "admin").Delete(&dbmodels.UserRole{}).Error
 			},
 		}, {
 			ID: "18",
 			Migrate: func(tx *gorm.DB) error {
-				var adminRole UserRole
+				var adminRole dbmodels.UserRole
 				if err := db.Where("name = ?", "admin").First(&adminRole).Error; err != nil {
 					return err
 				}

-				var users []User
+				var users []dbmodels.User
 				if err := db.Preload("Roles").Where("is_admin = ?", true).Find(&users).Error; err != nil {
 					return err
 				}
@@ -279,13 +282,13 @@ func dbInit(db *gorm.DB) error {
 			Migrate: func(tx *gorm.DB) error {
 				type User struct {
 					gorm.Model
-					Roles       []*UserRole  `gorm:"many2many:user_user_roles"`
-					Email       string       `valid:"required,email"`
-					Name        string       `valid:"required,length(1|32),unix_user"`
-					Keys        []*UserKey   `gorm:"ForeignKey:UserID"`
-					Groups      []*UserGroup `gorm:"many2many:user_user_groups;"`
-					Comment     string       `valid:"optional"`
-					InviteToken string       `valid:"optional,length(10|60)"`
+					Roles       []*dbmodels.UserRole  `gorm:"many2many:user_user_roles"`
+					Email       string                `valid:"required,email"`
+					Name        string                `valid:"required,length(1|32),unix_user"`
+					Keys        []*dbmodels.UserKey   `gorm:"ForeignKey:UserID"`
+					Groups      []*dbmodels.UserGroup `gorm:"many2many:user_user_groups;"`
+					Comment     string                `valid:"optional"`
+					InviteToken string                `valid:"optional,length(10|60)"`
 				}
 				return tx.AutoMigrate(&User{}).Error
 			},
@@ -295,24 +298,24 @@ func dbInit(db *gorm.DB) error {
 		}, {
 			ID: "20",
 			Migrate: func(tx *gorm.DB) error {
-				return tx.Create(&UserRole{Name: "listhosts"}).Error
+				return tx.Create(&dbmodels.UserRole{Name: "listhosts"}).Error
 			},
 			Rollback: func(tx *gorm.DB) error {
-				return tx.Where("name = ?", "listhosts").Delete(&UserRole{}).Error
+				return tx.Where("name = ?", "listhosts").Delete(&dbmodels.UserRole{}).Error
 			},
 		}, {
 			ID: "21",
 			Migrate: func(tx *gorm.DB) error {
 				type Session struct {
 					gorm.Model
-					StoppedAt time.Time `valid:"optional"`
-					Status    string    `valid:"required"`
-					User      *User     `gorm:"ForeignKey:UserID"`
-					Host      *Host     `gorm:"ForeignKey:HostID"`
-					UserID    uint      `valid:"optional"`
-					HostID    uint      `valid:"optional"`
-					ErrMsg    string    `valid:"optional"`
-					Comment   string    `valid:"optional"`
+					StoppedAt time.Time      `valid:"optional"`
+					Status    string         `valid:"required"`
+					User      *dbmodels.User `gorm:"ForeignKey:UserID"`
+					Host      *dbmodels.Host `gorm:"ForeignKey:HostID"`
+					UserID    uint           `valid:"optional"`
+					HostID    uint           `valid:"optional"`
+					ErrMsg    string         `valid:"optional"`
+					Comment   string         `valid:"optional"`
 				}
 				return tx.AutoMigrate(&Session{}).Error
 			},
@@ -324,12 +327,12 @@ func dbInit(db *gorm.DB) error {
 			Migrate: func(tx *gorm.DB) error {
 				type Event struct {
 					gorm.Model
-					Author   *User  `gorm:"ForeignKey:AuthorID"`
-					AuthorID uint   `valid:"optional"`
-					Domain   string `valid:"required"`
-					Action   string `valid:"required"`
-					Entity   string `valid:"optional"`
-					Args     []byte `sql:"size:10000" valid:"optional,length(1|10000)"`
+					Author   *dbmodels.User `gorm:"ForeignKey:AuthorID"`
+					AuthorID uint           `valid:"optional"`
+					Domain   string         `valid:"required"`
+					Action   string         `valid:"required"`
+					Entity   string         `valid:"optional"`
+					Args     []byte         `sql:"size:10000" valid:"optional,length(1|10000)"`
 				}
 				return tx.AutoMigrate(&Event{}).Error
 			},
@@ -341,11 +344,11 @@ func dbInit(db *gorm.DB) error {
 			Migrate: func(tx *gorm.DB) error {
 				type UserKey struct {
 					gorm.Model
-					Key           []byte `sql:"size:10000" valid:"required,length(1|10000)"`
-					AuthorizedKey string `sql:"size:10000" valid:"required,length(1|10000)"`
-					UserID        uint   ``
-					User          *User  `gorm:"ForeignKey:UserID"`
-					Comment       string `valid:"optional"`
+					Key           []byte         `sql:"size:10000" valid:"required,length(1|10000)"`
+					AuthorizedKey string         `sql:"size:10000" valid:"required,length(1|10000)"`
+					UserID        uint           ``
+					User          *dbmodels.User `gorm:"ForeignKey:UserID"`
+					Comment       string         `valid:"optional"`
 				}
 				return tx.AutoMigrate(&UserKey{}).Error
 			},
@@ -355,7 +358,7 @@ func dbInit(db *gorm.DB) error {
 		}, {
 			ID: "24",
 			Migrate: func(tx *gorm.DB) error {
-				var userKeys []UserKey
+				var userKeys []dbmodels.UserKey
 				if err := db.Find(&userKeys).Error; err != nil {
 					return err
 				}
@@ -381,16 +384,16 @@ func dbInit(db *gorm.DB) error {
 				type Host struct {
 					// FIXME: use uuid for ID
 					gorm.Model
-					Name        string       `gorm:"size:32" valid:"required,length(1|32),unix_user"`
-					Addr        string       `valid:"required"`
-					User        string       `valid:"optional"`
-					Password    string       `valid:"optional"`
-					SSHKey      *SSHKey      `gorm:"ForeignKey:SSHKeyID"` // SSHKey used to connect by the client
-					SSHKeyID    uint         `gorm:"index"`
-					HostKey     []byte       `sql:"size:10000" valid:"optional"`
-					Groups      []*HostGroup `gorm:"many2many:host_host_groups;"`
-					Fingerprint string       `valid:"optional"` // FIXME: replace with hostKey ?
-					Comment     string       `valid:"optional"`
+					Name        string                `gorm:"size:32" valid:"required,length(1|32),unix_user"`
+					Addr        string                `valid:"required"`
+					User        string                `valid:"optional"`
+					Password    string                `valid:"optional"`
+					SSHKey      *dbmodels.SSHKey      `gorm:"ForeignKey:SSHKeyID"` // SSHKey used to connect by the client
+					SSHKeyID    uint                  `gorm:"index"`
+					HostKey     []byte                `sql:"size:10000" valid:"optional"`
+					Groups      []*dbmodels.HostGroup `gorm:"many2many:host_host_groups;"`
+					Fingerprint string                `valid:"optional"` // FIXME: replace with hostKey ?
+					Comment     string                `valid:"optional"`
 				}
 				return tx.AutoMigrate(&Host{}).Error
 			},
@@ -402,14 +405,14 @@ func dbInit(db *gorm.DB) error {
 			Migrate: func(tx *gorm.DB) error {
 				type Session struct {
 					gorm.Model
-					StoppedAt *time.Time `sql:"index" valid:"optional"`
-					Status    string     `valid:"required"`
-					User      *User      `gorm:"ForeignKey:UserID"`
-					Host      *Host      `gorm:"ForeignKey:HostID"`
-					UserID    uint       `valid:"optional"`
-					HostID    uint       `valid:"optional"`
-					ErrMsg    string     `valid:"optional"`
-					Comment   string     `valid:"optional"`
+					StoppedAt *time.Time     `sql:"index" valid:"optional"`
+					Status    string         `valid:"required"`
+					User      *dbmodels.User `gorm:"ForeignKey:UserID"`
+					Host      *dbmodels.Host `gorm:"ForeignKey:HostID"`
+					UserID    uint           `valid:"optional"`
+					HostID    uint           `valid:"optional"`
+					ErrMsg    string         `valid:"optional"`
+					Comment   string         `valid:"optional"`
 				}
 				return tx.AutoMigrate(&Session{}).Error
 			},
@@ -419,7 +422,7 @@ func dbInit(db *gorm.DB) error {
 		}, {
 			ID: "27",
 			Migrate: func(tx *gorm.DB) error {
-				var sessions []Session
+				var sessions []dbmodels.Session
 				if err := db.Find(&sessions).Error; err != nil {
 					return err
 				}
@@ -447,10 +450,10 @@ func dbInit(db *gorm.DB) error {
 					User     string
 					Password string
 					URL      string
-					SSHKey   *SSHKey      `gorm:"ForeignKey:SSHKeyID"`
-					SSHKeyID uint         `gorm:"index"`
-					HostKey  []byte       `sql:"size:10000"`
-					Groups   []*HostGroup `gorm:"many2many:host_host_groups;"`
+					SSHKey   *dbmodels.SSHKey      `gorm:"ForeignKey:SSHKeyID"`
+					SSHKeyID uint                  `gorm:"index"`
+					HostKey  []byte                `sql:"size:10000"`
+					Groups   []*dbmodels.HostGroup `gorm:"many2many:host_host_groups;"`
 					Comment  string
 				}
 				return tx.AutoMigrate(&Host{}).Error
@@ -469,12 +472,12 @@ func dbInit(db *gorm.DB) error {
 					User     string
 					Password string
 					URL      string
-					SSHKey   *SSHKey      `gorm:"ForeignKey:SSHKeyID"`
-					SSHKeyID uint         `gorm:"index"`
-					HostKey  []byte       `sql:"size:10000"`
-					Groups   []*HostGroup `gorm:"many2many:host_host_groups;"`
+					SSHKey   *dbmodels.SSHKey      `gorm:"ForeignKey:SSHKeyID"`
+					SSHKeyID uint                  `gorm:"index"`
+					HostKey  []byte                `sql:"size:10000"`
+					Groups   []*dbmodels.HostGroup `gorm:"many2many:host_host_groups;"`
 					Comment  string
-					Hop      *Host
+					Hop      *dbmodels.Host
 					HopID    uint
 				}
 				return tx.AutoMigrate(&Host{}).Error
@@ -487,7 +490,7 @@ func dbInit(db *gorm.DB) error {
 	if err := m.Migrate(); err != nil {
 		return err
 	}
-	NewEvent("system", "migrated").Log(db)
+	dbmodels.NewEvent("system", "migrated").Log(db)

 	// create default ssh key
 	var count uint
@@ -495,7 +498,7 @@ func dbInit(db *gorm.DB) error {
 		return err
 	}
 	if count == 0 {
-		key, err := NewSSHKey("rsa", 2048)
+		key, err := crypto.NewSSHKey("rsa", 2048)
 		if err != nil {
 			return err
 		}
@@ -511,7 +514,7 @@ func dbInit(db *gorm.DB) error {
 		return err
 	}
 	if count == 0 {
-		hostGroup := HostGroup{
+		hostGroup := dbmodels.HostGroup{
 			Name:    "default",
 			Comment: "created by sshportal",
 		}
@@ -525,7 +528,7 @@ func dbInit(db *gorm.DB) error {
 		return err
 	}
 	if count == 0 {
-		userGroup := UserGroup{
+		userGroup := dbmodels.UserGroup{
 			Name:    "default",
 			Comment: "created by sshportal",
 		}
@@ -539,13 +542,13 @@ func dbInit(db *gorm.DB) error {
 		return err
 	}
 	if count == 0 {
-		var defaultUserGroup UserGroup
+		var defaultUserGroup dbmodels.UserGroup
 		db.Where("name = ?", "default").First(&defaultUserGroup)
-		var defaultHostGroup HostGroup
+		var defaultHostGroup dbmodels.HostGroup
 		db.Where("name = ?", "default").First(&defaultHostGroup)
-		acl := ACL{
-			UserGroups: []*UserGroup{&defaultUserGroup},
-			HostGroups: []*HostGroup{&defaultHostGroup},
+		acl := dbmodels.ACL{
+			UserGroups: []*dbmodels.UserGroup{&defaultUserGroup},
+			HostGroups: []*dbmodels.HostGroup{&defaultHostGroup},
 			Action:     "allow",
 			//HostPattern: "",
 			//Weight:      0,
@@ -557,7 +560,7 @@ func dbInit(db *gorm.DB) error {
 	}

 	// create admin user
-	var defaultUserGroup UserGroup
+	var defaultUserGroup dbmodels.UserGroup
 	db.Where("name = ?", "default").First(&defaultUserGroup)
 	if err := db.Table("users").Count(&count).Error; err != nil {
 		return err
@@ -568,7 +571,7 @@ func dbInit(db *gorm.DB) error {
 		if os.Getenv("SSHPORTAL_DEFAULT_ADMIN_INVITE_TOKEN") != "" {
 			inviteToken = os.Getenv("SSHPORTAL_DEFAULT_ADMIN_INVITE_TOKEN")
 		}
-		var adminRole UserRole
+		var adminRole dbmodels.UserRole
 		if err := db.Where("name = ?", "admin").First(&adminRole).Error; err != nil {
 			return err
 		}
@@ -583,13 +586,13 @@ func dbInit(db *gorm.DB) error {
 		if username == "" {
 			username = "admin" // fallback username
 		}
-		user := User{
+		user := dbmodels.User{
 			Name:        username,
 			Email:       fmt.Sprintf("%s@localhost", username),
 			Comment:     "created by sshportal",
-			Roles:       []*UserRole{&adminRole},
+			Roles:       []*dbmodels.UserRole{&adminRole},
 			InviteToken: inviteToken,
-			Groups:      []*UserGroup{&defaultUserGroup},
+			Groups:      []*dbmodels.UserGroup{&defaultUserGroup},
 		}
 		if err := db.Create(&user).Error; err != nil {
 			return err
@@ -602,7 +605,7 @@ func dbInit(db *gorm.DB) error {
 		return err
 	}
 	if count == 0 {
-		key, err := NewSSHKey("rsa", 2048)
+		key, err := crypto.NewSSHKey("rsa", 2048)
 		if err != nil {
 			return err
 		}
@@ -614,8 +617,8 @@ func dbInit(db *gorm.DB) error {
 	}

 	// close unclosed connections
-	return db.Table("sessions").Where("status = ?", "active").Updates(&Session{
-		Status: string(SessionStatusClosed),
+	return db.Table("sessions").Where("status = ?", "active").Updates(&dbmodels.Session{
+		Status: string(dbmodels.SessionStatusClosed),
 		ErrMsg: "sshportal was halted while the connection was still active",
 	}).Error
 }
@@ -643,3 +646,13 @@ func addExtraSpaceIfExist(str string) string {
 	}
 	return ""
 }
+
+func randStringBytes(n int) string {
+	const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+	return string(b)
+}
--- a/pkg/logtunnel/logtunnel.go
+++ b/pkg/logtunnel/logtunnel.go
@@ -1,4 +1,4 @@
-package logtunnel // import "moul.io/sshportal/pkg/logtunnel"
+package bastion // import "moul.io/sshportal/pkg/bastion"

 import (
 	"encoding/binary"
@@ -17,7 +17,7 @@ type logTunnel struct {
 	writer  io.WriteCloser
 }

-type ForwardData struct {
+type logTunnelForwardData struct {
 	DestinationHost string
 	DestinationPort uint32
 	SourceHost      string
@@ -40,7 +40,7 @@ func writeHeader(fd io.Writer, length int) {
 	}
 }

-func New(channel ssh.Channel, writer io.WriteCloser, host string) io.ReadWriteCloser {
+func newLogTunnel(channel ssh.Channel, writer io.WriteCloser, host string) io.ReadWriteCloser {
 	return &logTunnel{
 		host:    host,
 		channel: channel,
--- a/pkg/bastionsession/bastionsession.go
+++ b/pkg/bastionsession/bastionsession.go
@@ -1,34 +1,26 @@
-package bastionsession // import "moul.io/sshportal/pkg/bastionsession"
+package bastion // import "moul.io/sshportal/pkg/bastion"

 import (
 	"errors"
+	"fmt"
 	"io"
 	"log"
 	"os"
 	"strings"
 	"time"

-	"github.com/moul/ssh"
+	"github.com/gliderlabs/ssh"
 	"github.com/sabban/bastion/pkg/logchannel"
 	gossh "golang.org/x/crypto/ssh"
-
-	"moul.io/sshportal/pkg/logtunnel"
 )

-type ForwardData struct {
-	DestinationHost string
-	DestinationPort uint32
-	SourceHost      string
-	SourcePort      uint32
-}
-
-type Config struct {
+type sessionConfig struct {
 	Addr         string
 	Logs         string
 	ClientConfig *gossh.ClientConfig
 }

-func MultiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context, configs []Config) error {
+func multiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context, configs []sessionConfig, sessionID uint) error {
 	var lastClient *gossh.Client
 	switch newChan.ChannelType() {
 	case "session":
@@ -56,6 +48,7 @@ func MultiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.
 				client = gossh.NewClient(ncc, chans, reqs)
 			}
 			if err != nil {
+				lch.Close() // fix #56
 				return err
 			}
 			defer func() { _ = client.Close() }()
@@ -67,8 +60,10 @@ func MultiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.
 			return err
 		}
 		user := conn.User()
+		actx := ctx.Value(authContextKey).(*authContext)
+		username := actx.user.Name
 		// pipe everything
-		return pipe(lreqs, rreqs, lch, rch, configs[len(configs)-1].Logs, user, newChan)
+		return pipe(lreqs, rreqs, lch, rch, configs[len(configs)-1].Logs, user, username, sessionID, newChan)
 	case "direct-tcpip":
 		lch, lreqs, err := newChan.Accept()
 		// TODO: defer clean closer
@@ -94,13 +89,14 @@ func MultiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.
 				client = gossh.NewClient(ncc, chans, reqs)
 			}
 			if err != nil {
+				lch.Close()
 				return err
 			}
 			defer func() { _ = client.Close() }()
 			lastClient = client
 		}

-		d := logtunnel.ForwardData{}
+		d := logTunnelForwardData{}
 		if err := gossh.Unmarshal(newChan.ExtraData(), &d); err != nil {
 			return err
 		}
@@ -109,8 +105,10 @@ func MultiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.
 			return err
 		}
 		user := conn.User()
+		actx := ctx.Value(authContextKey).(*authContext)
+		username := actx.user.Name
 		// pipe everything
-		return pipe(lreqs, rreqs, lch, rch, configs[len(configs)-1].Logs, user, newChan)
+		return pipe(lreqs, rreqs, lch, rch, configs[len(configs)-1].Logs, user, username, sessionID, newChan)
 	default:
 		if err := newChan.Reject(gossh.UnknownChannelType, "unsupported channel type"); err != nil {
 			log.Printf("failed to reject chan: %v", err)
@@ -119,7 +117,7 @@ func MultiChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.
 	}
 }

-func pipe(lreqs, rreqs <-chan *gossh.Request, lch, rch gossh.Channel, logsLocation string, user string, newChan gossh.NewChannel) error {
+func pipe(lreqs, rreqs <-chan *gossh.Request, lch, rch gossh.Channel, logsLocation string, user string, username string, sessionID uint, newChan gossh.NewChannel) error {
 	defer func() {
 		_ = lch.Close()
 		_ = rch.Close()
@@ -128,8 +126,8 @@ func pipe(lreqs, rreqs <-chan *gossh.Request, lch, rch gossh.Channel, logsLocati
 	errch := make(chan error, 1)
 	channeltype := newChan.ChannelType()

-	filename := strings.Join([]string{logsLocation, "/", user, "-", channeltype, "-", time.Now().Format(time.RFC3339)}, "") // get user
-	f, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0640)
+	filename := strings.Join([]string{logsLocation, "/", user, "-", username, "-", channeltype, "-", fmt.Sprint(sessionID), "-", time.Now().Format(time.RFC3339)}, "") // get user
+	f, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0440)
 	defer func() {
 		_ = f.Close()
 	}()
@@ -152,12 +150,12 @@ func pipe(lreqs, rreqs <-chan *gossh.Request, lch, rch gossh.Channel, logsLocati
 		}()
 	}
 	if channeltype == "direct-tcpip" {
-		d := logtunnel.ForwardData{}
+		d := logTunnelForwardData{}
 		if err := gossh.Unmarshal(newChan.ExtraData(), &d); err != nil {
 			return err
 		}
-		wrappedlch := logtunnel.New(lch, f, d.SourceHost)
-		wrappedrch := logtunnel.New(rch, f, d.DestinationHost)
+		wrappedlch := newLogTunnel(lch, f, d.SourceHost)
+		wrappedrch := newLogTunnel(rch, f, d.DestinationHost)
 		go func() {
 			_, _ = io.Copy(wrappedlch, rch)
 			errch <- errors.New("lch closed the connection")
--- a/pkg/bastion/shell.go
+++ b/pkg/bastion/shell.go
@@ -1,11 +1,13 @@
-package main
+package bastion // import "moul.io/sshportal/pkg/bastion"

 import (
 	"bufio"
 	"encoding/json"
 	"errors"
 	"fmt"
+	"net/url"
 	"os"
+	"regexp"
 	"runtime"
 	"strings"
 	"time"
@@ -13,12 +15,15 @@ import (
 	shlex "github.com/anmitsu/go-shlex"
 	"github.com/asaskevich/govalidator"
 	humanize "github.com/dustin/go-humanize"
+	"github.com/gliderlabs/ssh"
 	"github.com/mgutz/ansi"
 	"github.com/moby/moby/pkg/namesgenerator"
-	"github.com/moul/ssh"
 	"github.com/olekukonko/tablewriter"
 	"github.com/urfave/cli"
+	gossh "golang.org/x/crypto/ssh"
 	"golang.org/x/crypto/ssh/terminal"
+	"moul.io/sshportal/pkg/crypto"
+	"moul.io/sshportal/pkg/dbmodels"
 )

 var banner = `
@@ -36,7 +41,7 @@ const (
 	naMessage = "n/a"
 )

-func shell(s ssh.Session) error {
+func shell(s ssh.Session, version, gitSha, gitTag, gitBranch string) error {
 	var (
 		sshCommand = s.Command()
 		actx       = s.Context().Value(authContextKey).(*authContext)
@@ -81,35 +86,35 @@ GLOBAL OPTIONS:
 						cli.StringSliceFlag{Name: "usergroup, ug", Usage: "Assigns `USERGROUP` to the acl"},
 						cli.StringFlag{Name: "pattern", Usage: "Assigns a host pattern to the acl"},
 						cli.StringFlag{Name: "comment", Usage: "Adds a comment"},
-						cli.StringFlag{Name: "action", Usage: "Assigns the ACL action (allow,deny)", Value: string(ACLActionAllow)},
+						cli.StringFlag{Name: "action", Usage: "Assigns the ACL action (allow,deny)", Value: string(dbmodels.ACLActionAllow)},
 						cli.UintFlag{Name: "weight, w", Usage: "Assigns the ACL weight (priority)"},
 					},
 					Action: func(c *cli.Context) error {
 						if err := myself.CheckRoles([]string{"admin"}); err != nil {
 							return err
 						}
-						acl := ACL{
+						acl := dbmodels.ACL{
 							Comment:     c.String("comment"),
 							HostPattern: c.String("pattern"),
-							UserGroups:  []*UserGroup{},
-							HostGroups:  []*HostGroup{},
+							UserGroups:  []*dbmodels.UserGroup{},
+							HostGroups:  []*dbmodels.HostGroup{},
 							Weight:      c.Uint("weight"),
 							Action:      c.String("action"),
 						}
-						if acl.Action != string(ACLActionAllow) && acl.Action != string(ACLActionDeny) {
+						if acl.Action != string(dbmodels.ACLActionAllow) && acl.Action != string(dbmodels.ACLActionDeny) {
 							return fmt.Errorf("invalid action %q, allowed values: allow, deny", acl.Action)
 						}
 						if _, err := govalidator.ValidateStruct(acl); err != nil {
 							return err
 						}

-						var userGroups []*UserGroup
-						if err := UserGroupsPreload(UserGroupsByIdentifiers(db, c.StringSlice("usergroup"))).Find(&userGroups).Error; err != nil {
+						var userGroups []*dbmodels.UserGroup
+						if err := dbmodels.UserGroupsPreload(dbmodels.UserGroupsByIdentifiers(db, c.StringSlice("usergroup"))).Find(&userGroups).Error; err != nil {
 							return err
 						}
 						acl.UserGroups = append(acl.UserGroups, userGroups...)
-						var hostGroups []*HostGroup
-						if err := HostGroupsPreload(HostGroupsByIdentifiers(db, c.StringSlice("hostgroup"))).Find(&hostGroups).Error; err != nil {
+						var hostGroups []*dbmodels.HostGroup
+						if err := dbmodels.HostGroupsPreload(dbmodels.HostGroupsByIdentifiers(db, c.StringSlice("hostgroup"))).Find(&hostGroups).Error; err != nil {
 							return err
 						}
 						acl.HostGroups = append(acl.HostGroups, hostGroups...)
@@ -139,8 +144,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var acls []ACL
-						if err := ACLsPreload(ACLsByIdentifiers(db, c.Args())).Find(&acls).Error; err != nil {
+						var acls []dbmodels.ACL
+						if err := dbmodels.ACLsPreload(dbmodels.ACLsByIdentifiers(db, c.Args())).Find(&acls).Error; err != nil {
 							return err
 						}

@@ -160,10 +165,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var acls []*ACL
+						var acls []*dbmodels.ACL
 						query := db.Order("created_at desc").Preload("UserGroups").Preload("HostGroups")
 						if c.Bool("latest") {
-							var acl ACL
+							var acl dbmodels.ACL
 							if err := query.First(&acl).Error; err != nil {
 								return err
 							}
@@ -221,7 +226,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return ACLsByIdentifiers(db, c.Args()).Delete(&ACL{}).Error
+						return dbmodels.ACLsByIdentifiers(db, c.Args()).Delete(&dbmodels.ACL{}).Error
 					},
 				}, {
 					Name:      "update",
@@ -245,15 +250,15 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var acls []ACL
-						if err := ACLsByIdentifiers(db, c.Args()).Find(&acls).Error; err != nil {
+						var acls []dbmodels.ACL
+						if err := dbmodels.ACLsByIdentifiers(db, c.Args()).Find(&acls).Error; err != nil {
 							return err
 						}

 						tx := db.Begin()
 						for _, acl := range acls {
 							model := tx.Model(&acl)
-							update := ACL{
+							update := dbmodels.ACL{
 								Action:      c.String("action"),
 								HostPattern: c.String("pattern"),
 								Weight:      c.Uint("weight"),
@@ -265,13 +270,13 @@ GLOBAL OPTIONS:
 							}

 							// associations
-							var appendUserGroups []UserGroup
-							var deleteUserGroups []UserGroup
-							if err := UserGroupsByIdentifiers(db, c.StringSlice("assign-usergroup")).Find(&appendUserGroups).Error; err != nil {
+							var appendUserGroups []dbmodels.UserGroup
+							var deleteUserGroups []dbmodels.UserGroup
+							if err := dbmodels.UserGroupsByIdentifiers(db, c.StringSlice("assign-usergroup")).Find(&appendUserGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
-							if err := UserGroupsByIdentifiers(db, c.StringSlice("unassign-usergroup")).Find(&deleteUserGroups).Error; err != nil {
+							if err := dbmodels.UserGroupsByIdentifiers(db, c.StringSlice("unassign-usergroup")).Find(&deleteUserGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
@@ -286,13 +291,13 @@ GLOBAL OPTIONS:
 								}
 							}

-							var appendHostGroups []HostGroup
-							var deleteHostGroups []HostGroup
-							if err := HostGroupsByIdentifiers(db, c.StringSlice("assign-hostgroup")).Find(&appendHostGroups).Error; err != nil {
+							var appendHostGroups []dbmodels.HostGroup
+							var deleteHostGroups []dbmodels.HostGroup
+							if err := dbmodels.HostGroupsByIdentifiers(db, c.StringSlice("assign-hostgroup")).Find(&appendHostGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
-							if err := HostGroupsByIdentifiers(db, c.StringSlice("unassign-hostgroup")).Find(&deleteHostGroups).Error; err != nil {
+							if err := dbmodels.HostGroupsByIdentifiers(db, c.StringSlice("unassign-hostgroup")).Find(&deleteHostGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
@@ -330,62 +335,62 @@ GLOBAL OPTIONS:
 							return err
 						}

-						config := Config{}
-						if err := HostsPreload(db).Find(&config.Hosts).Error; err != nil {
+						config := dbmodels.Config{}
+						if err := dbmodels.HostsPreload(db).Find(&config.Hosts).Error; err != nil {
 							return err
 						}

-						if err := SSHKeysPreload(db).Find(&config.SSHKeys).Error; err != nil {
+						if err := dbmodels.SSHKeysPreload(db).Find(&config.SSHKeys).Error; err != nil {
 							return err
 						}
 						for _, key := range config.SSHKeys {
-							SSHKeyDecrypt(actx.config.aesKey, key)
+							crypto.SSHKeyDecrypt(actx.aesKey, key)
 						}
 						if !c.Bool("decrypt") {
 							for _, key := range config.SSHKeys {
-								if err := SSHKeyEncrypt(actx.config.aesKey, key); err != nil {
+								if err := crypto.SSHKeyEncrypt(actx.aesKey, key); err != nil {
 									return err
 								}
 							}
 						}

-						if err := HostsPreload(db).Find(&config.Hosts).Error; err != nil {
+						if err := dbmodels.HostsPreload(db).Find(&config.Hosts).Error; err != nil {
 							return err
 						}
 						for _, host := range config.Hosts {
-							HostDecrypt(actx.config.aesKey, host)
+							crypto.HostDecrypt(actx.aesKey, host)
 						}
 						if !c.Bool("decrypt") {
 							for _, host := range config.Hosts {
-								if err := HostEncrypt(actx.config.aesKey, host); err != nil {
+								if err := crypto.HostEncrypt(actx.aesKey, host); err != nil {
 									return err
 								}
 							}
 						}

-						if err := UserKeysPreload(db).Find(&config.UserKeys).Error; err != nil {
+						if err := dbmodels.UserKeysPreload(db).Find(&config.UserKeys).Error; err != nil {
 							return err
 						}
-						if err := UsersPreload(db).Find(&config.Users).Error; err != nil {
+						if err := dbmodels.UsersPreload(db).Find(&config.Users).Error; err != nil {
 							return err
 						}
-						if err := UserGroupsPreload(db).Find(&config.UserGroups).Error; err != nil {
+						if err := dbmodels.UserGroupsPreload(db).Find(&config.UserGroups).Error; err != nil {
 							return err
 						}
-						if err := HostGroupsPreload(db).Find(&config.HostGroups).Error; err != nil {
+						if err := dbmodels.HostGroupsPreload(db).Find(&config.HostGroups).Error; err != nil {
 							return err
 						}
-						if err := ACLsPreload(db).Find(&config.ACLs).Error; err != nil {
+						if err := dbmodels.ACLsPreload(db).Find(&config.ACLs).Error; err != nil {
 							return err
 						}
 						if err := db.Find(&config.Settings).Error; err != nil {
 							return err
 						}
-						if err := SessionsPreload(db).Find(&config.Sessions).Error; err != nil {
+						if err := dbmodels.SessionsPreload(db).Find(&config.Sessions).Error; err != nil {
 							return err
 						}
 						if !c.Bool("ignore-events") {
-							if err := EventsPreload(db).Find(&config.Events).Error; err != nil {
+							if err := dbmodels.EventsPreload(db).Find(&config.Events).Error; err != nil {
 								return err
 							}
 						}
@@ -409,7 +414,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						config := Config{}
+						config := dbmodels.Config{}

 						dec := json.NewDecoder(s)
 						if err := dec.Decode(&config); err != nil {
@@ -472,9 +477,9 @@ GLOBAL OPTIONS:
 							}
 						}
 						for _, host := range config.Hosts {
-							HostDecrypt(actx.config.aesKey, host)
+							crypto.HostDecrypt(actx.aesKey, host)
 							if !c.Bool("decrypt") {
-								if err := HostEncrypt(actx.config.aesKey, host); err != nil {
+								if err := crypto.HostEncrypt(actx.aesKey, host); err != nil {
 									return err
 								}
 							}
@@ -508,9 +513,9 @@ GLOBAL OPTIONS:
 							}
 						}
 						for _, sshKey := range config.SSHKeys {
-							SSHKeyDecrypt(actx.config.aesKey, sshKey)
+							crypto.SSHKeyDecrypt(actx.aesKey, sshKey)
 							if !c.Bool("decrypt") {
-								if err := SSHKeyEncrypt(actx.config.aesKey, sshKey); err != nil {
+								if err := crypto.SSHKeyEncrypt(actx.aesKey, sshKey); err != nil {
 									return err
 								}
 							}
@@ -570,8 +575,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var events []*Event
-						if err := EventsPreload(EventsByIdentifiers(db, c.Args())).Find(&events).Error; err != nil {
+						var events []*dbmodels.Event
+						if err := dbmodels.EventsPreload(dbmodels.EventsByIdentifiers(db, c.Args())).Find(&events).Error; err != nil {
 							return err
 						}

@@ -599,10 +604,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var events []Event
+						var events []dbmodels.Event
 						query := db.Order("created_at desc").Preload("Author")
 						if c.Bool("latest") {
-							var event Event
+							var event dbmodels.Event
 							if err := query.First(&event).Error; err != nil {
 								return err
 							}
@@ -670,20 +675,29 @@ GLOBAL OPTIONS:
 							return err
 						}

-						u, err := ParseInputURL(c.Args().First())
+						u, err := parseInputURL(c.Args().First())
 						if err != nil {
 							return err
 						}
-						host := &Host{
+						host := &dbmodels.Host{
 							URL:     u.String(),
 							Comment: c.String("comment"),
 						}
 						if c.String("password") != "" {
 							host.Password = c.String("password")
 						}
-						host.Name = strings.Split(host.Hostname(), ".")[0]
+						matched, err := regexp.MatchString(`^([0-9]{1,3}.){3}.([0-9]{1,3})$`, host.Hostname())
+						if err != nil {
+							return err
+						}
+						if matched {
+							host.Name = host.Hostname()
+						} else {
+							host.Name = strings.Split(host.Hostname(), ".")[0]
+						}
+
 						if c.String("hop") != "" {
-							hop, err := HostByName(db, c.String("hop"))
+							hop, err := dbmodels.HostByName(db, c.String("hop"))
 							if err != nil {
 								return err
 							}
@@ -703,8 +717,8 @@ GLOBAL OPTIONS:
 							inputKey = "default"
 						}
 						if inputKey != "" {
-							var key SSHKey
-							if err := SSHKeysByIdentifiers(db, []string{inputKey}).First(&key).Error; err != nil {
+							var key dbmodels.SSHKey
+							if err := dbmodels.SSHKeysByIdentifiers(db, []string{inputKey}).First(&key).Error; err != nil {
 								return err
 							}
 							host.SSHKeyID = key.ID
@@ -715,12 +729,12 @@ GLOBAL OPTIONS:
 						if len(inputGroups) == 0 {
 							inputGroups = []string{"default"}
 						}
-						if err := HostGroupsByIdentifiers(db, inputGroups).Find(&host.Groups).Error; err != nil {
+						if err := dbmodels.HostGroupsByIdentifiers(db, inputGroups).Find(&host.Groups).Error; err != nil {
 							return err
 						}

 						// encrypt
-						if err := HostEncrypt(actx.config.aesKey, host); err != nil {
+						if err := crypto.HostEncrypt(actx.aesKey, host); err != nil {
 							return err
 						}

@@ -746,18 +760,18 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var hosts []*Host
+						var hosts []*dbmodels.Host
 						db = db.Preload("Groups")
 						if myself.HasRole("admin") {
 							db = db.Preload("SSHKey")
 						}
-						if err := HostsByIdentifiers(db, c.Args()).Find(&hosts).Error; err != nil {
+						if err := dbmodels.HostsByIdentifiers(db, c.Args()).Find(&hosts).Error; err != nil {
 							return err
 						}

 						if c.Bool("decrypt") {
 							for _, host := range hosts {
-								HostDecrypt(actx.config.aesKey, host)
+								crypto.HostDecrypt(actx.aesKey, host)
 							}
 						}

@@ -777,10 +791,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var hosts []*Host
+						var hosts []*dbmodels.Host
 						query := db.Order("created_at desc").Preload("Groups")
 						if c.Bool("latest") {
-							var host Host
+							var host dbmodels.Host
 							if err := query.First(&host).Error; err != nil {
 								return err
 							}
@@ -805,7 +819,7 @@ GLOBAL OPTIONS:
 						for _, host := range hosts {
 							authKey := ""
 							if host.SSHKeyID > 0 {
-								var key SSHKey
+								var key dbmodels.SSHKey
 								db.Model(&host).Related(&key)
 								authKey = key.Name
 							}
@@ -815,7 +829,7 @@ GLOBAL OPTIONS:
 							}
 							var hop string
 							if host.HopID != 0 {
-								var hopHost Host
+								var hopHost dbmodels.Host
 								db.Model(&host).Related(&hopHost, "HopID")
 								hop = hopHost.Name
 							} else {
@@ -850,7 +864,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return HostsByIdentifiers(db, c.Args()).Delete(&Host{}).Error
+						return dbmodels.HostsByIdentifiers(db, c.Args()).Delete(&dbmodels.Host{}).Error
 					},
 				}, {
 					Name:      "update",
@@ -875,8 +889,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var hosts []Host
-						if err := HostsByIdentifiers(db, c.Args()).Find(&hosts).Error; err != nil {
+						var hosts []dbmodels.Host
+						if err := dbmodels.HostsByIdentifiers(db, c.Args()).Find(&hosts).Error; err != nil {
 							return err
 						}

@@ -899,7 +913,7 @@ GLOBAL OPTIONS:

 							// url
 							if c.String("url") != "" {
-								u, err := ParseInputURL(c.String("url"))
+								u, err := parseInputURL(c.String("url"))
 								if err != nil {
 									tx.Rollback()
 									return err
@@ -912,7 +926,7 @@ GLOBAL OPTIONS:

 							// hop
 							if c.String("hop") != "" {
-								hop, err := HostByName(db, c.String("hop"))
+								hop, err := dbmodels.HostByName(db, c.String("hop"))
 								if err != nil {
 									tx.Rollback()
 									return err
@@ -925,7 +939,7 @@ GLOBAL OPTIONS:

 							// remove the hop
 							if c.Bool("unset-hop") {
-								var hopHost Host
+								var hopHost dbmodels.Host

 								db.Model(&host).Related(&hopHost, "HopID")
 								if err := model.Association("Hop").Clear().Error; err != nil {
@@ -936,8 +950,8 @@ GLOBAL OPTIONS:

 							// associations
 							if c.String("key") != "" {
-								var key SSHKey
-								if err := SSHKeysByIdentifiers(db, []string{c.String("key")}).First(&key).Error; err != nil {
+								var key dbmodels.SSHKey
+								if err := dbmodels.SSHKeysByIdentifiers(db, []string{c.String("key")}).First(&key).Error; err != nil {
 									tx.Rollback()
 									return err
 								}
@@ -946,13 +960,13 @@ GLOBAL OPTIONS:
 									return err
 								}
 							}
-							var appendGroups []HostGroup
-							var deleteGroups []HostGroup
-							if err := HostGroupsByIdentifiers(db, c.StringSlice("assign-group")).Find(&appendGroups).Error; err != nil {
+							var appendGroups []dbmodels.HostGroup
+							var deleteGroups []dbmodels.HostGroup
+							if err := dbmodels.HostGroupsByIdentifiers(db, c.StringSlice("assign-group")).Find(&appendGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
-							if err := HostGroupsByIdentifiers(db, c.StringSlice("unassign-group")).Find(&deleteGroups).Error; err != nil {
+							if err := dbmodels.HostGroupsByIdentifiers(db, c.StringSlice("unassign-group")).Find(&deleteGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
@@ -989,7 +1003,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						hostGroup := HostGroup{
+						hostGroup := dbmodels.HostGroup{
 							Name:    c.String("name"),
 							Comment: c.String("comment"),
 						}
@@ -1020,8 +1034,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var hostGroups []HostGroup
-						if err := HostGroupsPreload(HostGroupsByIdentifiers(db, c.Args())).Find(&hostGroups).Error; err != nil {
+						var hostGroups []dbmodels.HostGroup
+						if err := dbmodels.HostGroupsPreload(dbmodels.HostGroupsByIdentifiers(db, c.Args())).Find(&hostGroups).Error; err != nil {
 							return err
 						}

@@ -1041,10 +1055,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var hostGroups []*HostGroup
+						var hostGroups []*dbmodels.HostGroup
 						query := db.Order("created_at desc").Preload("ACLs").Preload("Hosts")
 						if c.Bool("latest") {
-							var hostGroup HostGroup
+							var hostGroup dbmodels.HostGroup
 							if err := query.First(&hostGroup).Error; err != nil {
 								return err
 							}
@@ -1094,7 +1108,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return HostGroupsByIdentifiers(db, c.Args()).Delete(&HostGroup{}).Error
+						return dbmodels.HostGroupsByIdentifiers(db, c.Args()).Delete(&dbmodels.HostGroup{}).Error
 					},
 				}, {
 					Name:      "update",
@@ -1113,8 +1127,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var hostgroups []HostGroup
-						if err := HostGroupsByIdentifiers(db, c.Args()).Find(&hostgroups).Error; err != nil {
+						var hostgroups []dbmodels.HostGroup
+						if err := dbmodels.HostGroupsByIdentifiers(db, c.Args()).Find(&hostgroups).Error; err != nil {
 							return err
 						}

@@ -1147,14 +1161,14 @@ GLOBAL OPTIONS:
 					return err
 				}

-				fmt.Fprintf(s, "debug mode (server): %v\n", actx.config.debug)
+				fmt.Fprintf(s, "debug mode (server): %v\n", actx.debug)
 				hostname, _ := os.Hostname()
 				fmt.Fprintf(s, "Hostname: %s\n", hostname)
 				fmt.Fprintf(s, "CPUs: %d\n", runtime.NumCPU())
-				fmt.Fprintf(s, "Demo mode: %v\n", actx.config.demo)
-				fmt.Fprintf(s, "DB Driver: %s\n", actx.config.dbDriver)
-				fmt.Fprintf(s, "DB Conn: %s\n", actx.config.dbURL)
-				fmt.Fprintf(s, "Bind Address: %s\n", actx.config.bindAddr)
+				fmt.Fprintf(s, "Demo mode: %v\n", actx.demo)
+				fmt.Fprintf(s, "DB Driver: %s\n", actx.dbDriver)
+				fmt.Fprintf(s, "DB Conn: %s\n", actx.dbURL)
+				fmt.Fprintf(s, "Bind Address: %s\n", actx.bindAddr)
 				fmt.Fprintf(s, "System Time: %v\n", time.Now().Format(time.RFC3339Nano))
 				fmt.Fprintf(s, "OS Type: %s\n", runtime.GOOS)
 				fmt.Fprintf(s, "OS Architecture: %s\n", runtime.GOARCH)
@@ -1164,10 +1178,10 @@ GLOBAL OPTIONS:

 				fmt.Fprintf(s, "User ID: %v\n", myself.ID)
 				fmt.Fprintf(s, "User email: %s\n", myself.Email)
-				fmt.Fprintf(s, "Version: %s\n", Version)
-				fmt.Fprintf(s, "GIT SHA: %s\n", GitSha)
-				fmt.Fprintf(s, "GIT Branch: %s\n", GitBranch)
-				fmt.Fprintf(s, "GIT Tag: %s\n", GitTag)
+				fmt.Fprintf(s, "Version: %s\n", version)
+				fmt.Fprintf(s, "GIT SHA: %s\n", gitSha)
+				fmt.Fprintf(s, "GIT Branch: %s\n", gitBranch)
+				fmt.Fprintf(s, "GIT Tag: %s\n", gitTag)

 				// FIXME: add info about current server (network, cpu, ram, OS)
 				// FIXME: add info about current user
@@ -1199,9 +1213,9 @@ GLOBAL OPTIONS:
 							name = c.String("name")
 						}

-						key, err := NewSSHKey(c.String("type"), c.Uint("length"))
-						if actx.config.aesKey != "" {
-							if err2 := SSHKeyEncrypt(actx.config.aesKey, key); err2 != nil {
+						key, err := crypto.NewSSHKey(c.String("type"), c.Uint("length"))
+						if actx.aesKey != "" {
+							if err2 := crypto.SSHKeyEncrypt(actx.aesKey, key); err2 != nil {
 								return err2
 							}
 						}
@@ -1256,7 +1270,7 @@ GLOBAL OPTIONS:
 								break
 							}
 						}
-						key, err := ImportSSHKey(value)
+						key, err := crypto.ImportSSHKey(value)
 						if err != nil {
 							return err
 						}
@@ -1293,14 +1307,14 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var keys []*SSHKey
-						if err := SSHKeysByIdentifiers(SSHKeysPreload(db), c.Args()).Find(&keys).Error; err != nil {
+						var keys []*dbmodels.SSHKey
+						if err := dbmodels.SSHKeysByIdentifiers(dbmodels.SSHKeysPreload(db), c.Args()).Find(&keys).Error; err != nil {
 							return err
 						}

 						if c.Bool("decrypt") {
 							for _, key := range keys {
-								SSHKeyDecrypt(actx.config.aesKey, key)
+								crypto.SSHKeyDecrypt(actx.aesKey, key)
 							}
 						}

@@ -1320,10 +1334,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var sshKeys []*SSHKey
+						var sshKeys []*dbmodels.SSHKey
 						query := db.Order("created_at desc").Preload("Hosts")
 						if c.Bool("latest") {
-							var sshKey SSHKey
+							var sshKey dbmodels.SSHKey
 							if err := query.First(&sshKey).Error; err != nil {
 								return err
 							}
@@ -1374,7 +1388,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return SSHKeysByIdentifiers(db, c.Args()).Delete(&SSHKey{}).Error
+						return dbmodels.SSHKeysByIdentifiers(db, c.Args()).Delete(&dbmodels.SSHKey{}).Error
 					},
 				}, {
 					Name:      "setup",
@@ -1387,8 +1401,8 @@ GLOBAL OPTIONS:

 						// not checking roles, everyone with an account can see how to enroll new hosts

-						var key SSHKey
-						if err := SSHKeysByIdentifiers(db, c.Args()).First(&key).Error; err != nil {
+						var key dbmodels.SSHKey
+						if err := dbmodels.SSHKeysByIdentifiers(db, c.Args()).First(&key).Error; err != nil {
 							return err
 						}
 						fmt.Fprintf(s, "umask 077; mkdir -p .ssh; echo %s sshportal >> .ssh/authorized_keys\n", key.PubKey)
@@ -1405,11 +1419,11 @@ GLOBAL OPTIONS:

 						// not checking roles, everyone with an account can see how to enroll new hosts

-						var key SSHKey
-						if err := SSHKeysByIdentifiers(SSHKeysPreload(db), c.Args()).First(&key).Error; err != nil {
+						var key dbmodels.SSHKey
+						if err := dbmodels.SSHKeysByIdentifiers(dbmodels.SSHKeysPreload(db), c.Args()).First(&key).Error; err != nil {
 							return err
 						}
-						SSHKeyDecrypt(actx.config.aesKey, &key)
+						crypto.SSHKeyDecrypt(actx.aesKey, &key)

 						type line struct {
 							key   string
@@ -1487,8 +1501,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var users []User
-						if err := UsersPreload(UsersByIdentifiers(db, c.Args())).Find(&users).Error; err != nil {
+						var users []dbmodels.User
+						if err := dbmodels.UsersPreload(dbmodels.UsersByIdentifiers(db, c.Args())).Find(&users).Error; err != nil {
 							return err
 						}

@@ -1523,7 +1537,7 @@ GLOBAL OPTIONS:
 							name = c.String("name")
 						}

-						user := User{
+						user := dbmodels.User{
 							Name:        name,
 							Email:       email,
 							Comment:     c.String("comment"),
@@ -1539,7 +1553,7 @@ GLOBAL OPTIONS:
 						if len(inputGroups) == 0 {
 							inputGroups = []string{"default"}
 						}
-						if err := UserGroupsByIdentifiers(db, inputGroups).Find(&user.Groups).Error; err != nil {
+						if err := dbmodels.UserGroupsByIdentifiers(db, inputGroups).Find(&user.Groups).Error; err != nil {
 							return err
 						}

@@ -1562,10 +1576,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var users []*User
+						var users []*dbmodels.User
 						query := db.Order("created_at desc").Preload("Groups").Preload("Roles").Preload("Keys")
 						if c.Bool("latest") {
-							var user User
+							var user dbmodels.User
 							if err := query.First(&user).Error; err != nil {
 								return err
 							}
@@ -1623,7 +1637,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return UsersByIdentifiers(db, c.Args()).Delete(&User{}).Error
+						return dbmodels.UsersByIdentifiers(db, c.Args()).Delete(&dbmodels.User{}).Error
 					},
 				}, {
 					Name:      "update",
@@ -1647,8 +1661,8 @@ GLOBAL OPTIONS:
 						}

 						// FIXME: check if unset-admin + user == myself
-						var users []User
-						if err := UsersByIdentifiers(db, c.Args()).Find(&users).Error; err != nil {
+						var users []dbmodels.User
+						if err := dbmodels.UsersByIdentifiers(db, c.Args()).Find(&users).Error; err != nil {
 							return err
 						}

@@ -1674,13 +1688,13 @@ GLOBAL OPTIONS:
 							}

 							// associations
-							var appendGroups []UserGroup
-							if err := UserGroupsByIdentifiers(db, c.StringSlice("assign-group")).Find(&appendGroups).Error; err != nil {
+							var appendGroups []dbmodels.UserGroup
+							if err := dbmodels.UserGroupsByIdentifiers(db, c.StringSlice("assign-group")).Find(&appendGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
-							var deleteGroups []UserGroup
-							if err := UserGroupsByIdentifiers(db, c.StringSlice("unassign-group")).Find(&deleteGroups).Error; err != nil {
+							var deleteGroups []dbmodels.UserGroup
+							if err := dbmodels.UserGroupsByIdentifiers(db, c.StringSlice("unassign-group")).Find(&deleteGroups).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
@@ -1694,13 +1708,13 @@ GLOBAL OPTIONS:
 									return err
 								}
 							}
-							var appendRoles []UserRole
-							if err := UserRolesByIdentifiers(db, c.StringSlice("assign-role")).Find(&appendRoles).Error; err != nil {
+							var appendRoles []dbmodels.UserRole
+							if err := dbmodels.UserRolesByIdentifiers(db, c.StringSlice("assign-role")).Find(&appendRoles).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
-							var deleteRoles []UserRole
-							if err := UserRolesByIdentifiers(db, c.StringSlice("unassign-role")).Find(&deleteRoles).Error; err != nil {
+							var deleteRoles []dbmodels.UserRole
+							if err := dbmodels.UserRolesByIdentifiers(db, c.StringSlice("unassign-role")).Find(&deleteRoles).Error; err != nil {
 								tx.Rollback()
 								return err
 							}
@@ -1736,7 +1750,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						userGroup := UserGroup{
+						userGroup := dbmodels.UserGroup{
 							Name:    c.String("name"),
 							Comment: c.String("comment"),
 						}
@@ -1750,7 +1764,7 @@ GLOBAL OPTIONS:
 						// FIXME: check if name already exists
 						// FIXME: add myself to the new group

-						userGroup.Users = []*User{myself}
+						userGroup.Users = []*dbmodels.User{myself}

 						if err := db.Create(&userGroup).Error; err != nil {
 							return err
@@ -1771,8 +1785,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var userGroups []UserGroup
-						if err := UserGroupsPreload(UserGroupsByIdentifiers(db, c.Args())).Find(&userGroups).Error; err != nil {
+						var userGroups []dbmodels.UserGroup
+						if err := dbmodels.UserGroupsPreload(dbmodels.UserGroupsByIdentifiers(db, c.Args())).Find(&userGroups).Error; err != nil {
 							return err
 						}

@@ -1792,10 +1806,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var userGroups []*UserGroup
+						var userGroups []*dbmodels.UserGroup
 						query := db.Order("created_at desc").Preload("ACLs").Preload("Users")
 						if c.Bool("latest") {
-							var userGroup UserGroup
+							var userGroup dbmodels.UserGroup
 							if err := query.First(&userGroup).Error; err != nil {
 								return err
 							}
@@ -1844,7 +1858,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return UserGroupsByIdentifiers(db, c.Args()).Delete(&UserGroup{}).Error
+						return dbmodels.UserGroupsByIdentifiers(db, c.Args()).Delete(&dbmodels.UserGroup{}).Error
 					},
 				}, {
 					Name:      "update",
@@ -1863,8 +1877,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var usergroups []UserGroup
-						if err := UserGroupsByIdentifiers(db, c.Args()).Find(&usergroups).Error; err != nil {
+						var usergroups []dbmodels.UserGroup
+						if err := dbmodels.UserGroupsByIdentifiers(db, c.Args()).Find(&usergroups).Error; err != nil {
 							return err
 						}

@@ -1910,8 +1924,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var user User
-						if err := UsersByIdentifiers(db, c.Args()).First(&user).Error; err != nil {
+						var user dbmodels.User
+						if err := dbmodels.UsersByIdentifiers(db, c.Args()).First(&user).Error; err != nil {
 							return err
 						}

@@ -1924,10 +1938,11 @@ GLOBAL OPTIONS:
 							return err
 						}

-						userkey := UserKey{
-							User:    &user,
-							Key:     key.Marshal(),
-							Comment: comment,
+						userkey := dbmodels.UserKey{
+							User:          &user,
+							Key:           key.Marshal(),
+							Comment:       comment,
+							AuthorizedKey: string(gossh.MarshalAuthorizedKey(key)),
 						}
 						if c.String("comment") != "" {
 							userkey.Comment = c.String("comment")
@@ -1957,8 +1972,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var userKeys []UserKey
-						if err := UserKeysPreload(UserKeysByIdentifiers(db, c.Args())).Find(&userKeys).Error; err != nil {
+						var userKeys []dbmodels.UserKey
+						if err := dbmodels.UserKeysPreload(dbmodels.UserKeysByIdentifiers(db, c.Args())).Find(&userKeys).Error; err != nil {
 							return err
 						}

@@ -1978,10 +1993,10 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var userKeys []*UserKey
+						var userKeys []*dbmodels.UserKey
 						query := db.Order("created_at desc").Preload("User")
 						if c.Bool("latest") {
-							var userKey UserKey
+							var userKey dbmodels.UserKey
 							if err := query.First(&userKey).Error; err != nil {
 								return err
 							}
@@ -2032,7 +2047,7 @@ GLOBAL OPTIONS:
 							return err
 						}

-						return UserKeysByIdentifiers(db, c.Args()).Delete(&UserKey{}).Error
+						return dbmodels.UserKeysByIdentifiers(db, c.Args()).Delete(&dbmodels.UserKey{}).Error
 					},
 				},
 			},
@@ -2053,8 +2068,8 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var sessions []Session
-						if err := SessionsPreload(SessionsByIdentifiers(db, c.Args())).Find(&sessions).Error; err != nil {
+						var sessions []dbmodels.Session
+						if err := dbmodels.SessionsPreload(dbmodels.SessionsByIdentifiers(db, c.Args())).Find(&sessions).Error; err != nil {
 							return err
 						}

@@ -2075,9 +2090,9 @@ GLOBAL OPTIONS:
 							return err
 						}

-						var sessions []*Session
+						var sessions []*dbmodels.Session

-						limit, offset, status := 60000, -1, []string{string(SessionStatusActive), string(SessionStatusClosed), string(SessionStatusUnknown)}
+						limit, offset, status := 60000, -1, []string{string(dbmodels.SessionStatusActive), string(dbmodels.SessionStatusClosed), string(dbmodels.SessionStatusUnknown)}
 						if c.Bool("active") {
 							status = status[:1]
 						}
@@ -2085,7 +2100,7 @@ GLOBAL OPTIONS:
 						query := db.Order("created_at desc").Limit(limit).Offset(offset).Where("status in (?)", status).Preload("User").Preload("Host")

 						if c.Bool("latest") {
-							var session Session
+							var session dbmodels.Session
 							if err := query.First(&session).Error; err != nil {
 								return err
 							}
@@ -2098,7 +2113,7 @@ GLOBAL OPTIONS:
 							factor := 1
 							for len(sessions) >= limit*factor {

-								var additionnalSessions []*Session
+								var additionnalSessions []*dbmodels.Session

 								offset = limit * factor
 								query := db.Order("created_at desc").Limit(limit).Offset(offset).Where("status in (?)", status).Preload("User").Preload("Host")
@@ -2156,7 +2171,7 @@ GLOBAL OPTIONS:
 			Name:  "version",
 			Usage: "Shows the SSHPortal version information",
 			Action: func(c *cli.Context) error {
-				fmt.Fprintf(s, "%s\n", Version)
+				fmt.Fprintf(s, "%s\n", version)
 				return nil
 			},
 		}, {
@@ -2187,7 +2202,7 @@ GLOBAL OPTIONS:
 			if len(words) == 0 {
 				continue
 			}
-			NewEvent("shell", words[0]).SetAuthor(myself).SetArg("interactive", true).SetArg("args", words[1:]).Log(db)
+			dbmodels.NewEvent("shell", words[0]).SetAuthor(myself).SetArg("interactive", true).SetArg("args", words[1:]).Log(db)
 			if err := app.Run(append([]string{"config"}, words...)); err != nil {
 				if cliErr, ok := err.(*cli.ExitError); ok {
 					if cliErr.ExitCode() != 0 {
@@ -2200,7 +2215,7 @@ GLOBAL OPTIONS:
 			}
 		}
 	} else { // oneshot mode
-		NewEvent("shell", sshCommand[0]).SetAuthor(myself).SetArg("interactive", false).SetArg("args", sshCommand[1:]).Log(db)
+		dbmodels.NewEvent("shell", sshCommand[0]).SetAuthor(myself).SetArg("interactive", false).SetArg("args", sshCommand[1:]).Log(db)
 		if err := app.Run(append([]string{"config"}, sshCommand...)); err != nil {
 			if errMsg := err.Error(); errMsg != "" {
 				fmt.Fprintf(s, "error: %s\n", errMsg)
@@ -2214,3 +2229,21 @@ GLOBAL OPTIONS:

 	return nil
 }
+
+func wrapText(in string, length int) string {
+	if len(in) <= length {
+		return in
+	}
+	return in[0:length-3] + "..."
+}
+
+func parseInputURL(input string) (*url.URL, error) {
+	if !strings.Contains(input, "://") {
+		input = "ssh://" + input
+	}
+	u, err := url.Parse(input)
+	if err != nil {
+		return nil, err
+	}
+	return u, nil
+}
--- a/pkg/bastion/ssh.go
+++ b/pkg/bastion/ssh.go
@@ -1,4 +1,4 @@
-package main
+package bastion // import "moul.io/sshportal/pkg/bastion"

 import (
 	"bytes"
@@ -9,11 +9,11 @@ import (
 	"strings"
 	"time"

+	"github.com/gliderlabs/ssh"
 	"github.com/jinzhu/gorm"
-	"github.com/moul/ssh"
 	gossh "golang.org/x/crypto/ssh"
-
-	"moul.io/sshportal/pkg/bastionsession"
+	"moul.io/sshportal/pkg/crypto"
+	"moul.io/sshportal/pkg/dbmodels"
 )

 type sshportalContextKey string
@@ -21,40 +21,44 @@ type sshportalContextKey string
 var authContextKey = sshportalContextKey("auth")

 type authContext struct {
-	message       string
-	err           error
-	user          User
-	inputUsername string
-	db            *gorm.DB
-	userKey       UserKey
-	config        *configServe
-	authMethod    string
-	authSuccess   bool
+	message         string
+	err             error
+	user            dbmodels.User
+	inputUsername   string
+	db              *gorm.DB
+	userKey         dbmodels.UserKey
+	logsLocation    string
+	aesKey          string
+	dbDriver, dbURL string
+	bindAddr        string
+	demo, debug     bool
+	authMethod      string
+	authSuccess     bool
 }

-type UserType string
+type userType string

 const (
-	UserTypeHealthcheck UserType = "healthcheck"
-	UserTypeBastion     UserType = "bastion"
-	UserTypeInvite      UserType = "invite"
-	UserTypeShell       UserType = "shell"
+	userTypeHealthcheck userType = "healthcheck"
+	userTypeBastion     userType = "bastion"
+	userTypeInvite      userType = "invite"
+	userTypeShell       userType = "shell"
 )

-func (c authContext) userType() UserType {
+func (c authContext) userType() userType {
 	switch {
 	case c.inputUsername == "healthcheck":
-		return UserTypeHealthcheck
+		return userTypeHealthcheck
 	case c.inputUsername == c.user.Name || c.inputUsername == c.user.Email || c.inputUsername == "admin":
-		return UserTypeShell
+		return userTypeShell
 	case strings.HasPrefix(c.inputUsername, "invite:"):
-		return UserTypeInvite
+		return userTypeInvite
 	default:
-		return UserTypeBastion
+		return userTypeBastion
 	}
 }

-func dynamicHostKey(db *gorm.DB, host *Host) gossh.HostKeyCallback {
+func dynamicHostKey(db *gorm.DB, host *dbmodels.Host) gossh.HostKeyCallback {
 	return func(hostname string, remote net.Addr, key gossh.PublicKey) error {
 		if len(host.HostKey) == 0 {
 			log.Println("Discovering host fingerprint...")
@@ -68,7 +72,9 @@ func dynamicHostKey(db *gorm.DB, host *Host) gossh.HostKeyCallback {
 	}
 }

-func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context) {
+var DefaultChannelHandler ssh.ChannelHandler = func(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context) {}
+
+func ChannelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context) {
 	switch newChan.ChannelType() {
 	case "session":
 	case "direct-tcpip":
@@ -83,9 +89,9 @@ func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewCh
 	actx := ctx.Value(authContextKey).(*authContext)

 	switch actx.userType() {
-	case UserTypeBastion:
-		log.Printf("New connection(bastion): sshUser=%q remote=%q local=%q dbUser=id:%q,email:%s", conn.User(), conn.RemoteAddr(), conn.LocalAddr(), actx.user.ID, actx.user.Email)
-		host, err := HostByName(actx.db, actx.inputUsername)
+	case userTypeBastion:
+		log.Printf("New connection(bastion): sshUser=%q remote=%q local=%q dbUser=id:%d,email:%s", conn.User(), conn.RemoteAddr(), conn.LocalAddr(), actx.user.ID, actx.user.Email)
+		host, err := dbmodels.HostByName(actx.db, actx.inputUsername)
 		if err != nil {
 			ch, _, err2 := newChan.Accept()
 			if err2 != nil {
@@ -98,8 +104,8 @@ func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewCh
 		}

 		switch host.Scheme() {
-		case BastionSchemeSSH:
-			sessionConfigs := make([]bastionsession.Config, 0)
+		case dbmodels.BastionSchemeSSH:
+			sessionConfigs := make([]sessionConfig, 0)
 			currentHost := host
 			for currentHost != nil {
 				clientConfig, err2 := bastionClientConfig(ctx, currentHost)
@@ -113,25 +119,25 @@ func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewCh
 					_ = ch.Close()
 					return
 				}
-				sessionConfigs = append([]bastionsession.Config{{
+				sessionConfigs = append([]sessionConfig{{
 					Addr:         currentHost.DialAddr(),
 					ClientConfig: clientConfig,
-					Logs:         actx.config.logsLocation,
+					Logs:         actx.logsLocation,
 				}}, sessionConfigs...)
 				if currentHost.HopID != 0 {
-					var newHost Host
+					var newHost dbmodels.Host
 					actx.db.Model(currentHost).Related(&newHost, "HopID")
 					hostname := newHost.Name
-					currentHost, _ = HostByName(actx.db, hostname)
+					currentHost, _ = dbmodels.HostByName(actx.db, hostname)
 				} else {
 					currentHost = nil
 				}
 			}

-			sess := Session{
+			sess := dbmodels.Session{
 				UserID: actx.user.ID,
 				HostID: host.ID,
-				Status: string(SessionStatusActive),
+				Status: string(dbmodels.SessionStatusActive),
 			}
 			if err = actx.db.Create(&sess).Error; err != nil {
 				ch, _, err2 := newChan.Accept()
@@ -142,16 +148,15 @@ func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewCh
 				_ = ch.Close()
 				return
 			}
-
 			go func() {
-				err = bastionsession.MultiChannelHandler(srv, conn, newChan, ctx, sessionConfigs)
+				err = multiChannelHandler(srv, conn, newChan, ctx, sessionConfigs, sess.ID)
 				if err != nil {
 					log.Printf("Error: %v", err)
 				}

 				now := time.Now()
-				sessUpdate := Session{
-					Status:    string(SessionStatusClosed),
+				sessUpdate := dbmodels.Session{
+					Status:    string(dbmodels.SessionStatusClosed),
 					ErrMsg:    fmt.Sprintf("%v", err),
 					StoppedAt: &now,
 				}
@@ -161,12 +166,12 @@ func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewCh
 				}
 				actx.db.Model(&sess).Updates(&sessUpdate)
 			}()
-		case BastionSchemeTelnet:
+		case dbmodels.BastionSchemeTelnet:
 			tmpSrv := ssh.Server{
 				// PtyCallback: srv.PtyCallback,
 				Handler: telnetHandler(host),
 			}
-			defaultChannelHandler(&tmpSrv, conn, newChan, ctx)
+			DefaultChannelHandler(&tmpSrv, conn, newChan, ctx)
 		default:
 			ch, _, err2 := newChan.Accept()
 			if err2 != nil {
@@ -177,37 +182,37 @@ func channelHandler(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewCh
 			_ = ch.Close()
 		}
 	default: // shell
-		defaultChannelHandler(srv, conn, newChan, ctx)
+		DefaultChannelHandler(srv, conn, newChan, ctx)
 	}
 }

-func bastionClientConfig(ctx ssh.Context, host *Host) (*gossh.ClientConfig, error) {
+func bastionClientConfig(ctx ssh.Context, host *dbmodels.Host) (*gossh.ClientConfig, error) {
 	actx := ctx.Value(authContextKey).(*authContext)

-	clientConfig, err := host.clientConfig(dynamicHostKey(actx.db, host))
+	crypto.HostDecrypt(actx.aesKey, host)
+	crypto.SSHKeyDecrypt(actx.aesKey, host.SSHKey)
+
+	clientConfig, err := host.ClientConfig(dynamicHostKey(actx.db, host))
 	if err != nil {
 		return nil, err
 	}

-	var tmpUser User
+	var tmpUser dbmodels.User
 	if err = actx.db.Preload("Groups").Preload("Groups.ACLs").Where("id = ?", actx.user.ID).First(&tmpUser).Error; err != nil {
 		return nil, err
 	}
-	var tmpHost Host
+	var tmpHost dbmodels.Host
 	if err = actx.db.Preload("Groups").Preload("Groups.ACLs").Where("id = ?", host.ID).First(&tmpHost).Error; err != nil {
 		return nil, err
 	}
-	action, err2 := CheckACLs(tmpUser, tmpHost)
+	action, err2 := checkACLs(tmpUser, tmpHost)
 	if err2 != nil {
 		return nil, err2
 	}

-	HostDecrypt(actx.config.aesKey, host)
-	SSHKeyDecrypt(actx.config.aesKey, host.SSHKey)
-
 	switch action {
-	case string(ACLActionAllow):
-	case string(ACLActionDeny):
+	case string(dbmodels.ACLActionAllow):
+	case string(dbmodels.ACLActionDeny):
 		return nil, fmt.Errorf("you don't have permission to that host")
 	default:
 		return nil, fmt.Errorf("invalid ACL action: %q", action)
@@ -215,10 +220,10 @@ func bastionClientConfig(ctx ssh.Context, host *Host) (*gossh.ClientConfig, erro
 	return clientConfig, nil
 }

-func shellHandler(s ssh.Session) {
+func ShellHandler(s ssh.Session, version, gitSha, gitTag, gitBranch string) {
 	actx := s.Context().Value(authContextKey).(*authContext)
-	if actx.userType() != UserTypeHealthcheck {
-		log.Printf("New connection(shell): sshUser=%q remote=%q local=%q command=%q dbUser=id:%q,email:%s", s.User(), s.RemoteAddr(), s.LocalAddr(), s.Command(), actx.user.ID, actx.user.Email)
+	if actx.userType() != userTypeHealthcheck {
+		log.Printf("New connection(shell): sshUser=%q remote=%q local=%q command=%q dbUser=id:%d,email:%s", s.User(), s.RemoteAddr(), s.LocalAddr(), s.Command(), actx.user.ID, actx.user.Email)
 	}

 	if actx.err != nil {
@@ -232,43 +237,48 @@ func shellHandler(s ssh.Session) {
 	}

 	switch actx.userType() {
-	case UserTypeHealthcheck:
+	case userTypeHealthcheck:
 		fmt.Fprintln(s, "OK")
 		return
-	case UserTypeShell:
-		if err := shell(s); err != nil {
+	case userTypeShell:
+		if err := shell(s, version, gitSha, gitTag, gitBranch); err != nil {
 			fmt.Fprintf(s, "error: %v\n", err)
 			_ = s.Exit(1)
 		}
 		return
-	case UserTypeInvite:
+	case userTypeInvite:
 		// do nothing (message was printed at the beginning of the function)
 		return
 	}
 	panic("should not happen")
 }

-func passwordAuthHandler(db *gorm.DB, cfg *configServe) ssh.PasswordHandler {
+func PasswordAuthHandler(db *gorm.DB, logsLocation, aesKey, dbDriver, dbURL, bindAddr string, demo bool) ssh.PasswordHandler {
 	return func(ctx ssh.Context, pass string) bool {
 		actx := &authContext{
 			db:            db,
 			inputUsername: ctx.User(),
-			config:        cfg,
+			logsLocation:  logsLocation,
+			aesKey:        aesKey,
+			dbDriver:      dbDriver,
+			dbURL:         dbURL,
+			bindAddr:      bindAddr,
+			demo:          demo,
 			authMethod:    "password",
 		}
-		actx.authSuccess = actx.userType() == UserTypeHealthcheck
+		actx.authSuccess = actx.userType() == userTypeHealthcheck
 		ctx.SetValue(authContextKey, actx)
 		return actx.authSuccess
 	}
 }

-func privateKeyFromDB(db *gorm.DB, aesKey string) func(*ssh.Server) error {
+func PrivateKeyFromDB(db *gorm.DB, aesKey string) func(*ssh.Server) error {
 	return func(srv *ssh.Server) error {
-		var key SSHKey
-		if err := SSHKeysByIdentifiers(db, []string{"host"}).First(&key).Error; err != nil {
+		var key dbmodels.SSHKey
+		if err := dbmodels.SSHKeysByIdentifiers(db, []string{"host"}).First(&key).Error; err != nil {
 			return err
 		}
-		SSHKeyDecrypt(aesKey, &key)
+		crypto.SSHKeyDecrypt(aesKey, &key)

 		signer, err := gossh.ParsePrivateKey([]byte(key.PrivKey))
 		if err != nil {
@@ -279,12 +289,17 @@ func privateKeyFromDB(db *gorm.DB, aesKey string) func(*ssh.Server) error {
 	}
 }

-func publicKeyAuthHandler(db *gorm.DB, cfg *configServe) ssh.PublicKeyHandler {
+func PublicKeyAuthHandler(db *gorm.DB, logsLocation, aesKey, dbDriver, dbURL, bindAddr string, demo bool) ssh.PublicKeyHandler {
 	return func(ctx ssh.Context, key ssh.PublicKey) bool {
 		actx := &authContext{
 			db:            db,
 			inputUsername: ctx.User(),
-			config:        cfg,
+			logsLocation:  logsLocation,
+			aesKey:        aesKey,
+			dbDriver:      dbDriver,
+			dbURL:         dbURL,
+			bindAddr:      bindAddr,
+			demo:          demo,
 			authMethod:    "pubkey",
 			authSuccess:   true,
 		}
@@ -294,20 +309,20 @@ func publicKeyAuthHandler(db *gorm.DB, cfg *configServe) ssh.PublicKeyHandler {
 		db.Where("authorized_key = ?", string(gossh.MarshalAuthorizedKey(key))).First(&actx.userKey)
 		if actx.userKey.UserID > 0 {
 			db.Preload("Roles").Where("id = ?", actx.userKey.UserID).First(&actx.user)
-			if actx.userType() == UserTypeInvite {
+			if actx.userType() == userTypeInvite {
 				actx.err = fmt.Errorf("invites are only supported for new SSH keys; your ssh key is already associated with the user %q", actx.user.Email)
 			}
 			return true
 		}

 		// handle invite "links"
-		if actx.userType() == UserTypeInvite {
+		if actx.userType() == userTypeInvite {
 			inputToken := strings.Split(actx.inputUsername, ":")[1]
 			if len(inputToken) > 0 {
 				db.Where("invite_token = ?", inputToken).First(&actx.user)
 			}
 			if actx.user.ID > 0 {
-				actx.userKey = UserKey{
+				actx.userKey = dbmodels.UserKey{
 					UserID:        actx.user.ID,
 					Key:           key.Marshal(),
 					Comment:       "created by sshportal",
@@ -321,7 +336,7 @@ func publicKeyAuthHandler(db *gorm.DB, cfg *configServe) ssh.PublicKeyHandler {

 				actx.message = fmt.Sprintf("Welcome %s!\n\nYour key is now associated with the user %q.\n", actx.user.Name, actx.user.Email)
 			} else {
-				actx.user = User{Name: "Anonymous"}
+				actx.user = dbmodels.User{Name: "Anonymous"}
 				actx.err = errors.New("your token is invalid or expired")
 			}
 			return true
@@ -329,7 +344,7 @@ func publicKeyAuthHandler(db *gorm.DB, cfg *configServe) ssh.PublicKeyHandler {

 		// fallback
 		actx.err = errors.New("unknown ssh key")
-		actx.user = User{Name: "Anonymous"}
+		actx.user = dbmodels.User{Name: "Anonymous"}
 		return true
 	}
 }
--- a/pkg/bastion/telnet.go
+++ b/pkg/bastion/telnet.go
@@ -1,4 +1,4 @@
-package main
+package bastion // import "moul.io/sshportal/pkg/bastion"

 import (
 	"bufio"
@@ -8,9 +8,10 @@ import (
 	"log"
 	"time"

-	"github.com/moul/ssh"
+	"github.com/gliderlabs/ssh"
 	oi "github.com/reiver/go-oi"
 	telnet "github.com/reiver/go-telnet"
+	"moul.io/sshportal/pkg/dbmodels"
 )

 type bastionTelnetCaller struct {
@@ -75,7 +76,7 @@ func scannerSplitFunc(data []byte, atEOF bool) (advance int, token []byte, err e
 	return bufio.ScanLines(data, atEOF)
 }

-func telnetHandler(host *Host) ssh.Handler {
+func telnetHandler(host *dbmodels.Host) ssh.Handler {
 	return func(s ssh.Session) {
 		// FIXME: log session in db
 		//actx := s.Context().Value(authContextKey).(*authContext)
--- a/pkg/crypto/crypto.go
+++ b/pkg/crypto/crypto.go
@@ -1,4 +1,4 @@
-package main
+package crypto // import "moul.io/sshportal/pkg/crypto"

 import (
 	"bytes"
@@ -15,10 +15,11 @@ import (
 	"strings"

 	gossh "golang.org/x/crypto/ssh"
+	"moul.io/sshportal/pkg/dbmodels"
 )

-func NewSSHKey(keyType string, length uint) (*SSHKey, error) {
-	key := SSHKey{
+func NewSSHKey(keyType string, length uint) (*dbmodels.SSHKey, error) {
+	key := dbmodels.SSHKey{
 		Type:   keyType,
 		Length: length,
 	}
@@ -53,8 +54,8 @@ func NewSSHKey(keyType string, length uint) (*SSHKey, error) {
 	return &key, nil
 }

-func ImportSSHKey(keyValue string) (*SSHKey, error) {
-	key := SSHKey{
+func ImportSSHKey(keyValue string) (*dbmodels.SSHKey, error) {
+	key := dbmodels.SSHKey{
 		Type: "rsa",
 	}

@@ -132,7 +133,7 @@ func safeDecrypt(key []byte, cryptoText string) string {
 	return out
 }

-func HostEncrypt(aesKey string, host *Host) (err error) {
+func HostEncrypt(aesKey string, host *dbmodels.Host) (err error) {
 	if aesKey == "" {
 		return nil
 	}
@@ -141,7 +142,7 @@ func HostEncrypt(aesKey string, host *Host) (err error) {
 	}
 	return
 }
-func HostDecrypt(aesKey string, host *Host) {
+func HostDecrypt(aesKey string, host *dbmodels.Host) {
 	if aesKey == "" {
 		return
 	}
@@ -150,14 +151,14 @@ func HostDecrypt(aesKey string, host *Host) {
 	}
 }

-func SSHKeyEncrypt(aesKey string, key *SSHKey) (err error) {
+func SSHKeyEncrypt(aesKey string, key *dbmodels.SSHKey) (err error) {
 	if aesKey == "" {
 		return nil
 	}
 	key.PrivKey, err = encrypt([]byte(aesKey), key.PrivKey)
 	return
 }
-func SSHKeyDecrypt(aesKey string, key *SSHKey) {
+func SSHKeyDecrypt(aesKey string, key *dbmodels.SSHKey) {
 	if aesKey == "" {
 		return
 	}
--- a/pkg/dbmodels/dbmodels.go
+++ b/pkg/dbmodels/dbmodels.go
@@ -1,4 +1,4 @@
-package main
+package dbmodels // import "moul.io/sshportal/pkg/dbmodels"

 import (
 	"encoding/json"
@@ -53,7 +53,7 @@ type SSHKey struct {
 type Host struct {
 	// FIXME: use uuid for ID
 	gorm.Model
-	Name     string       `gorm:"size:32" valid:"required,length(1|32),unix_user"`
+	Name     string       `gorm:"size:32" valid:"required,length(1|32)"`
 	Addr     string       `valid:"optional"` // FIXME: to be removed in a future version in favor of URL
 	User     string       `valid:"optional"` // FIXME: to be removed in a future version in favor of URL
 	Password string       `valid:"optional"` // FIXME: to be removed in a future version in favor of URL
@@ -70,7 +70,7 @@ type Host struct {
 // UserKey defines a user public key used by sshportal to identify the user
 type UserKey struct {
 	gorm.Model
-	Key           []byte `sql:"size:10000" valid:"required,length(1|10000)"`
+	Key           []byte `sql:"size:10000" valid:"length(1|10000)"`
 	AuthorizedKey string `sql:"size:10000" valid:"required,length(1|10000)"`
 	UserID        uint   ``
 	User          *User  `gorm:"ForeignKey:UserID"`
@@ -180,16 +180,6 @@ func init() {

 // Host helpers

-func ParseInputURL(input string) (*url.URL, error) {
-	if !strings.Contains(input, "://") {
-		input = "ssh://" + input
-	}
-	u, err := url.Parse(input)
-	if err != nil {
-		return nil, err
-	}
-	return u, nil
-}
 func (host *Host) DialAddr() string {
 	return fmt.Sprintf("%s:%d", host.Hostname(), host.Port())
 }
@@ -301,7 +291,7 @@ func HostByName(db *gorm.DB, name string) (*Host, error) {
 	return &host, nil
 }

-func (host *Host) clientConfig(hk gossh.HostKeyCallback) (*gossh.ClientConfig, error) {
+func (host *Host) ClientConfig(hk gossh.HostKeyCallback) (*gossh.ClientConfig, error) {
 	config := gossh.ClientConfig{
 		User:            host.Username(),
 		HostKeyCallback: hk,
--- a/renovate.json
+++ b/renovate.json
@@ -1,5 +1,6 @@
 {
  "extends": [
    "config:base"
-  ]
+  ],
+  "groupName": "all"
 }
--- a/server.go
+++ b/server.go
@@ -0,0 +1,134 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"math"
+	"net"
+	"os"
+	"time"
+
+	"github.com/gliderlabs/ssh"
+	"github.com/jinzhu/gorm"
+	"github.com/urfave/cli"
+	gossh "golang.org/x/crypto/ssh"
+	"moul.io/sshportal/pkg/bastion"
+)
+
+type serverConfig struct {
+	aesKey          string
+	dbDriver, dbURL string
+	logsLocation    string
+	bindAddr        string
+	debug, demo     bool
+	idleTimeout     time.Duration
+}
+
+func parseServerConfig(c *cli.Context) (*serverConfig, error) {
+	ret := &serverConfig{
+		aesKey:       c.String("aes-key"),
+		dbDriver:     c.String("db-driver"),
+		dbURL:        c.String("db-conn"),
+		bindAddr:     c.String("bind-address"),
+		debug:        c.Bool("debug"),
+		demo:         c.Bool("demo"),
+		logsLocation: c.String("logs-location"),
+		idleTimeout:  c.Duration("idle-timeout"),
+	}
+	switch len(ret.aesKey) {
+	case 0, 16, 24, 32:
+	default:
+		return nil, fmt.Errorf("invalid aes key size, should be 16 or 24, 32")
+	}
+	return ret, nil
+}
+
+func ensureLogDirectory(location string) error {
+	// check for the logdir existence
+	logsLocation, err := os.Stat(location)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return os.MkdirAll(location, os.ModeDir|os.FileMode(0750))
+		}
+		return err
+	}
+	if !logsLocation.IsDir() {
+		return fmt.Errorf("log directory cannot be created")
+	}
+	return nil
+}
+
+func server(c *serverConfig) (err error) {
+	var db = (*gorm.DB)(nil)
+
+	// try to setup the local DB
+	if db, err = gorm.Open(c.dbDriver, c.dbURL); err != nil {
+		return
+	}
+	defer func() {
+		origErr := err
+		err = db.Close()
+		if origErr != nil {
+			err = origErr
+		}
+	}()
+	if err = db.DB().Ping(); err != nil {
+		return
+	}
+	db.LogMode(c.debug)
+	if err = bastion.DBInit(db); err != nil {
+		return
+	}
+
+	// create TCP listening socket
+	ln, err := net.Listen("tcp", c.bindAddr)
+	if err != nil {
+		return err
+	}
+
+	// configure server
+	srv := &ssh.Server{
+		Addr:    c.bindAddr,
+		Handler: func(s ssh.Session) { bastion.ShellHandler(s, Version, GitSha, GitTag, GitBranch) }, // ssh.Server.Handler is the handler for the DefaultSessionHandler
+		Version: fmt.Sprintf("sshportal-%s", Version),
+		ChannelHandlers: map[string]ssh.ChannelHandler{
+			"default": bastion.ChannelHandler,
+		},
+	}
+
+	// configure channel handler
+	bastion.DefaultChannelHandler = func(srv *ssh.Server, conn *gossh.ServerConn, newChan gossh.NewChannel, ctx ssh.Context) {
+		switch newChan.ChannelType() {
+		case "session":
+			go ssh.DefaultSessionHandler(srv, conn, newChan, ctx)
+		case "direct-tcpip":
+			go ssh.DirectTCPIPHandler(srv, conn, newChan, ctx)
+		default:
+			if err := newChan.Reject(gossh.UnknownChannelType, "unsupported channel type"); err != nil {
+				log.Printf("failed to reject chan: %v", err)
+			}
+		}
+	}
+
+	if c.idleTimeout != 0 {
+		srv.IdleTimeout = c.idleTimeout
+		// gliderlabs/ssh requires MaxTimeout to be non-zero if we want to use IdleTimeout.
+		// So, set it to the max value, because we don't want a max timeout.
+		srv.MaxTimeout = math.MaxInt64
+	}
+
+	for _, opt := range []ssh.Option{
+		// custom PublicKeyAuth handler
+		ssh.PublicKeyAuth(bastion.PublicKeyAuthHandler(db, c.logsLocation, c.aesKey, c.dbDriver, c.dbURL, c.bindAddr, c.demo)),
+		ssh.PasswordAuth(bastion.PasswordAuthHandler(db, c.logsLocation, c.aesKey, c.dbDriver, c.dbURL, c.bindAddr, c.demo)),
+		// retrieve sshportal SSH private key from database
+		bastion.PrivateKeyFromDB(db, c.aesKey),
+	} {
+		if err := srv.SetOption(opt); err != nil {
+			return err
+		}
+	}
+
+	log.Printf("info: SSH Server accepting connections on %s, idle-timout=%v", c.bindAddr, c.idleTimeout)
+	return srv.Serve(ln)
+}
--- a/testserver.go
+++ b/testserver.go
@@ -1,3 +1,5 @@
+// +build !windows
+
 package main

 import (
@@ -9,8 +11,8 @@ import (
 	"syscall"
 	"unsafe"

+	"github.com/gliderlabs/ssh"
 	"github.com/kr/pty"
-	"github.com/moul/ssh"
 	"github.com/urfave/cli"
 )

--- a/util.go
+++ b/util.go
@@ -1,20 +0,0 @@
-package main
-
-import "math/rand"
-
-const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
-
-func randStringBytes(n int) string {
-	b := make([]byte, n)
-	for i := range b {
-		b[i] = letterBytes[rand.Intn(len(letterBytes))]
-	}
-	return string(b)
-}
-
-func wrapText(in string, length int) string {
-	if len(in) <= length {
-		return in
-	}
-	return in[0:length-3] + "..."
-}
Author	SHA1	Message	Date
Manfred Touron	e0b43b1976	Merge pull request #162 from moul/dev/moul/semantic-release feat: set up semantic release	2020-02-22 20:48:51 +01:00
Manfred Touron	6a6e788968	feat: set up semantic release	2020-02-22 20:43:54 +01:00
Manfred Touron	db58e53f3b	Merge pull request #156 from jeanlouisferey/master Little correction	2020-02-18 00:06:27 +01:00
Manfred Touron	b31acb4348	Merge pull request #148 from jle64/fix_shell_connection_log Fix db user id type in shell connection log.	2020-02-18 00:06:20 +01:00
Manfred Touron	c794c2c076	chore: add funding + update go.sum	2020-02-18 00:05:35 +01:00
Jonathan Lestrelin	42d6cd44bb	Fix db user id type in shell connection log.	2020-02-17 23:55:35 +01:00
Manfred Touron	f9057ca56a	Merge pull request #157 from bozzo/master Add Helm chart to deploy SSHPortal on Kubernetes	2020-02-17 23:54:39 +01:00
bozzo	c2f1999037	Set theme jekyll-theme-slate	2020-02-17 09:08:51 +01:00
bozzo	44b386f7a7	Add Helm chart to deploy SSHPortal on Kubernetes Support HA with Mysql database Support autoscaling	2020-02-08 23:06:19 +01:00
Jean-Louis Férey	89b296db4e	Little correction	2020-01-29 16:35:39 +01:00
Manfred Touron	c16403fb3f	Merge pull request #146 from opencollective/opencollective Activating Open Collective	2019-09-18 09:11:08 +02:00
Jess	5e21fb72e6	Added financial contributors to the README	2019-09-17 18:02:58 -07:00
Manfred Touron	c5681bf880	chore: post-release version bump	2019-06-24 11:43:32 +02:00
Manfred Touron	db85d6545d	v1.10.0	2019-06-24 11:31:32 +02:00
Manfred Touron	9912c3deba	chore: setup goreleaser	2019-06-24 10:57:47 +02:00
Manfred Touron	fc5c342e40	chore: bump github.com/gliderlabs/ssh to v0.2.2 (#141 ) chore: bump github.com/gliderlabs/ssh to v0.2.2	2019-06-24 10:28:51 +02:00
Manfred Touron	60707b3faa	chore: update CHANGELOG	2019-06-24 10:25:04 +02:00
Manfred Touron	f36845ac6b	chore: bump github.com/gliderlabs/ssh to v0.2.2	2019-06-24 10:25:04 +02:00
Manfred Touron	9f76bd6cad	Merge pull request #131 from moul/renovate/all Update all	2019-06-14 11:26:07 +02:00
Manfred Touron	c53d5d9964	Merge pull request #137 from moul/renovate/docker-all Update all Docker tags to v1.12.6	2019-06-14 11:25:21 +02:00
Renovate Bot	171d461ea5	Update all	2019-06-14 08:29:13 +00:00
Renovate Bot	b2b04a1155	Update all Docker tags to v1.12.6	2019-06-13 00:27:25 +00:00
Manfred Touron	671ba03b78	Update README.md	2019-06-10 09:57:20 +02:00
Manfred Touron	9095725778	Update README.md	2019-06-10 09:57:05 +02:00
Manfred Touron	8b2e5daba3	Set log files mode to 440 instead of 640. (#134 ) Set log files mode to 440 instead of 640.	2019-06-10 09:54:53 +02:00
Jonathan Lestrelin	75b7a5f571	Set log files mode to 440 instead of 640.	2019-06-10 09:40:25 +02:00
Manfred Touron	4b9e881ad0	Merge pull request #135 from jle64/accept_ip_as_hostname Allow to create a host using an ip as name	2019-06-09 15:39:41 +02:00
Manfred Touron	59f8f52cca	Merge pull request #133 from jle64/better_logfile_name Add username and session ID to session log filename.	2019-06-09 15:38:08 +02:00
Jonathan Lestrelin	4adaf83fd3	Accept to create a host using an ip as name by relaxing unix_user constraint on name and not splitting on `.` if an ip is detected.	2019-06-07 18:15:25 +02:00
Jonathan Lestrelin	84464a4ea6	Add username and session ID to session log filename.	2019-06-07 16:58:41 +02:00
Manfred Touron	cafac0b8b5	chore: fix CI (#132 ) chore: fix CI	2019-06-06 16:35:45 +02:00
Manfred Touron	5346300a64	chore: fix CI	2019-06-06 16:32:49 +02:00
Manfred Touron	1d4554eabc	chore: fixup	2019-06-06 16:32:22 +02:00
Manfred Touron	50bdba8b70	Update all (#110 ) Update all	2019-05-30 20:40:22 +02:00
Manfred Touron	8c785f6dea	Update all Docker tags to v1.12.5 (#130 ) Update all Docker tags to v1.12.5	2019-05-30 20:40:01 +02:00
Renovate Bot	93e6abc9ba	Update all	2019-05-28 19:27:01 +00:00
Renovate Bot	60d7c85c11	Update all Docker tags to v1.12.5	2019-05-21 20:28:40 +00:00
Manfred Touron	883bad2ee5	Merge pull request #124 from welderpb/master [fix] unable to use encrypted ssh private keys	2019-03-29 07:11:08 +01:00
Manfred Touron	7d68e144f8	Merge pull request #116 from moul/renovate/docker-all chore(deps): update all docker tags to v1.12.1	2019-03-29 07:08:36 +01:00
Manfred Touron	7f32e38cf8	Merge pull request #123 from vdaviot/master [FIX] Format of id in new session \| Closing channel if host unreachable	2019-03-29 07:07:36 +01:00
Renovate Bot	43a96d1636	chore(deps): update all docker tags to v1.12.1	2019-03-16 00:20:45 +00:00
welderpb	00e7d2e45d	fix for encrypted ssh private keys	2019-03-05 17:04:05 +01:00
Valentin Daviot	2e711c3591	fixed format of id for new bastion session \| applied fix from issue #56 to permit the closing of channel in case of unreachable host Signed-off-by: Valentin Daviot <valentin.daviot@alterway.fr>	2019-03-01 16:04:27 +01:00
Manfred Touron	5d147fc03b	Merge pull request #118 from nellyasher/master Readme updates	2019-02-01 13:38:07 +01:00
Manfred Touron	3dccefbbcb	chore: use png + add toc	2019-02-01 13:36:36 +01:00
Nelly Asher	7c4995fa4a	Update README.md	2019-02-01 13:34:18 +01:00
Nelly Asher	2b8f051414	TOC added, chapters rearranged, "Use cases" added.	2019-02-01 13:34:18 +01:00
Manfred Touron	4e17c81d63	chore: switch to png for images in the readme	2019-02-01 12:57:18 +01:00
Manfred Touron	8b4b677d6a	chore: update flow diagram + add png outputs	2019-02-01 12:56:07 +01:00
Manfred Touron	47229bf473	chore: update flow diagram style	2019-02-01 11:23:02 +01:00
Manfred Touron	ec5b567da9	Update README.md	2019-01-04 01:11:10 +01:00
Manfred Touron	03b59fae1c	Merge pull request #113 from ahhx/master refactor: split package main	2019-01-04 00:58:24 +01:00
Manfred Touron	ede8b3ecf2	chore: fix lint issues	2019-01-04 00:56:06 +01:00
Manfred Touron	7ae90b9199	build: fix deps checksums	2019-01-04 00:51:54 +01:00
ahh	a651da451e	refactor: split package main sshportal refactor. Focused on splitting up package main into packages main, dbmodels, crypto, and bastion.	2019-01-03 21:11:43 +01:00
Manfred Touron	f220af5c54	Merge pull request #111 from shawn111/missing_authorized_key Fix userkey create.	2019-01-03 19:57:19 +01:00
Shawn Wang	eebf987900	Fix UserKey.Key for govalidator.ValidateStruct. UserKey.Key is a []byte field. The valid: "required" would cause wrong Validation.	2018-12-13 10:46:05 +00:00
Shawn Wang	3d5101011f	Fix userkey create, missing AuthorizedKey	2018-12-12 23:39:25 +08:00
Manfred Touron	2cdc19dfdd	Merge pull request #109 from moul/moul-patch-1 Update renovate.json	2018-12-07 14:53:50 +01:00
Manfred Touron	d8a7b1e16c	Update renovate.json	2018-12-07 14:49:50 +01:00
Manfred Touron	d7490d089c	Merge pull request #102 from moul/dev/mou/bump-deps2 chore: bump deps	2018-11-25 09:46:57 +01:00
Manfred Touron	774c6c0f64	chore: bump deps	2018-11-25 09:43:28 +01:00
Manfred Touron	92d11c53de	Merge pull request #98 from Raerten/env-variables use Environment Variables for settings	2018-11-25 09:41:09 +01:00
Manfred Touron	c509f65a27	Merge pull request #101 from moul/dev/moul/windows-support fix a build constraint	2018-11-25 09:40:00 +01:00
Дмитрий Шульгачик	20b9e839d3	fix a build constraint	2018-11-25 09:34:41 +01:00
Дмитрий Шульгачик	6f4fb24cd0	update mysql example using ENV	2018-11-19 14:56:24 +03:00
Дмитрий Шульгачик	23a89fe1de	Add ability to set DB driver and DB credentials from environment variables	2018-11-19 14:49:31 +03:00
Manfred Touron	559df1f523	Merge pull request #96 from moul/dev/moul/bump-deps chore: bump deps	2018-11-18 15:58:07 +01:00
Manfred Touron	ad2b8ebc38	chore: bump deps	2018-11-18 15:54:11 +01:00
Manfred Touron	3824629d4d	Post-release version bump	2018-11-18 15:48:42 +01:00