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module Test_httpd =

(* Check that we can iterate on directive *)
let _ = Httpd.directive+

(* Check that we can do a non iterative section *)
let _ = Httpd.section Httpd.directive

(* directives testing *)
let d1 = "ServerRoot \"/etc/apache2\"\n"
test Httpd.directive get d1 =
  { "directive" = "ServerRoot"
    { "arg" = "\"/etc/apache2\"" }
  }

(* simple quotes *)
let d1s = "ServerRoot '/etc/apache2'\n"
test Httpd.directive get d1s =
  { "directive" = "ServerRoot"
    { "arg" = "'/etc/apache2'" }
  }

let d2 = "ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/\n"
test Httpd.directive get d2 =
  { "directive" = "ScriptAlias"
    { "arg" = "/cgi-bin/" }
    { "arg" = "/usr/lib/cgi-bin/" }
  }

let d3 = "LockFile /var/lock/apache2/accept.lock\n"
test Httpd.directive get d3 =
  { "directive" = "LockFile"
    { "arg" = "/var/lock/apache2/accept.lock" }
  }

let c1 = "
<IfModule>
</IfModule>
"
let c1_put =
"
<IfModule foo bar>
</IfModule>
"


test Httpd.lns get c1 = { }{ "IfModule" }

test Httpd.lns put c1 after set "/IfModule/arg[1]" "foo";
                            set "/IfModule/arg[2]" "bar" = c1_put

let c2 = "
<IfModule !mpm_winnt.c>
  <IfModule !mpm_netware.c>
    LockFile /var/lock/apache2/accept.lock
  </IfModule>
</IfModule>
"

test Httpd.lns get c2 =
  {  }
  { "IfModule"
    { "arg" = "!mpm_winnt.c" }
    { "IfModule"
      { "arg" = "!mpm_netware.c" }
      { "directive" = "LockFile"
        { "arg" = "/var/lock/apache2/accept.lock" }
      }
    }
  }

(* arguments must be the first child of the section *)
test Httpd.lns put c2 after rm "/IfModule/arg";
                            insb "arg" "/IfModule/*[1]";
                            set "/IfModule/arg" "foo"  =
"
<IfModule foo>
  <IfModule !mpm_netware.c>
    LockFile /var/lock/apache2/accept.lock
  </IfModule>
</IfModule>
"

let c3 = "
<IfModule mpm_event_module>
    StartServers          2
    MaxClients          150
    MinSpareThreads      25
    MaxSpareThreads      75
    ThreadLimit          64
    ThreadsPerChild      25
    MaxRequestsPerChild   0
</IfModule>
"

test Httpd.lns get c3 =
  {  }
  { "IfModule"
    { "arg" = "mpm_event_module" }
    { "directive" = "StartServers"
      { "arg" = "2" }
    }
    { "directive" = "MaxClients"
      { "arg" = "150" }
    }
    { "directive" = "MinSpareThreads"
      { "arg" = "25" }
    }
    { "directive" = "MaxSpareThreads"
      { "arg" = "75" }
    }
    { "directive" = "ThreadLimit"
      { "arg" = "64" }
    }
    { "directive" = "ThreadsPerChild"
      { "arg" = "25" }
    }
    { "directive" = "MaxRequestsPerChild"
      { "arg" = "0" }
    }
  }



let c4 = "
<Files ~ \"^\.ht\">
    Order allow,deny
    Deny from all
    Satisfy all
</Files>
"

test Httpd.lns get c4 =
  {  }
  { "Files"
    { "arg" = "~" }
    { "arg" = "\"^\.ht\"" }
    { "directive" = "Order"
      { "arg" = "allow,deny" }
    }
    { "directive" = "Deny"
      { "arg" = "from" }
      { "arg" = "all" }
    }
    { "directive" = "Satisfy"
      { "arg" = "all" }
    }
  }



let c5 = "LogFormat \"%{User-agent}i\" agent\n"
test Httpd.lns get c5 =
  { "directive" = "LogFormat"
    { "arg" = "\"%{User-agent}i\"" }
    { "arg" = "agent" }
  }

let c7 = "LogFormat \"%v:%p %h %l %u %t \\\"%r\\\" %>s %O \\\"%{Referer}i\\\" \\\"%{User-Agent}i\\\"\" vhost_combined\n"
test Httpd.lns get c7 =
  { "directive" = "LogFormat"
    { "arg" = "\"%v:%p %h %l %u %t \\\"%r\\\" %>s %O \\\"%{Referer}i\\\" \\\"%{User-Agent}i\\\"\"" }
    { "arg" = "vhost_combined" }
  }

let c8 = "IndexIgnore .??* *~ *# RCS CVS *,v *,t \n"
test Httpd.directive get c8 =
  { "directive" = "IndexIgnore"
    { "arg" = ".??*" }
    { "arg" = "*~" }
    { "arg" = "*#" }
    { "arg" = "RCS" }
    { "arg" = "CVS" }
    { "arg" = "*,v" }
    { "arg" = "*,t" }
  }

(* FIXME: not yet supported:
 * The backslash "\" may be used as the last character on a line to indicate
 * that the directive continues onto the next line. There must be no other
 * characters or white space between the backslash and the end of the line.
 *)
let multiline = "Options Indexes \
FollowSymLinks MultiViews
"

test Httpd.directive get multiline =
  { "directive" = "Options"
    { "arg" = "Indexes" }
    { "arg" = "FollowSymLinks" }
    { "arg" = "MultiViews" }
  }


let conf2 = "<VirtualHost *:80>
    ServerAdmin webmaster@localhost

    DocumentRoot /var/www
    <Directory />
        Options FollowSymLinks
        AllowOverride None
    </Directory>
    <Directory /var/www/>
        Options Indexes FollowSymLinks MultiViews
        AllowOverride None
        Order allow,deny
        allow from all
    </Directory>

    ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
    <Directory \"/usr/lib/cgi-bin\">
        AllowOverride None
        Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
        Order allow,deny
        Allow from all
    </Directory>

    ErrorLog /var/log/apache2/error.log

    # Possible values include: debug, info, notice, warn, error, crit,
    # alert, emerg.
    LogLevel warn

    CustomLog /var/log/apache2/access.log combined

    SSLRequireSSL

    Alias /doc/ \"/usr/share/doc/\"
    <Directory \"/usr/share/doc/\">
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.0/255.0.0.0 ::1/128
    </Directory>

</VirtualHost>
"

test Httpd.lns get conf2 =
   { "VirtualHost"
    { "arg" = "*:80" }
    { "directive" = "ServerAdmin"
      { "arg" = "webmaster@localhost" }
    }
    {  }
    { "directive" = "DocumentRoot"
      { "arg" = "/var/www" }
    }
    { "Directory"
      { "arg" = "/" }
      { "directive" = "Options"
        { "arg" = "FollowSymLinks" }
      }
      { "directive" = "AllowOverride"
        { "arg" = "None" }
      }
    }
    { "Directory"
      { "arg" = "/var/www/" }
      { "directive" = "Options"
        { "arg" = "Indexes" }
        { "arg" = "FollowSymLinks" }
        { "arg" = "MultiViews" }
      }
      { "directive" = "AllowOverride"
        { "arg" = "None" }
      }
      { "directive" = "Order"
        { "arg" = "allow,deny" }
      }
      { "directive" = "allow"
        { "arg" = "from" }
        { "arg" = "all" }
      }
    }
    { "directive" = "ScriptAlias"
      { "arg" = "/cgi-bin/" }
      { "arg" = "/usr/lib/cgi-bin/" }
    }
    { "Directory"
      { "arg" = "\"/usr/lib/cgi-bin\"" }
      { "directive" = "AllowOverride"
        { "arg" = "None" }
      }
      { "directive" = "Options"
        { "arg" = "+ExecCGI" }
        { "arg" = "-MultiViews" }
        { "arg" = "+SymLinksIfOwnerMatch" }
      }
      { "directive" = "Order"
        { "arg" = "allow,deny" }
      }
      { "directive" = "Allow"
        { "arg" = "from" }
        { "arg" = "all" }
      }
    }
    { "directive" = "ErrorLog"
      { "arg" = "/var/log/apache2/error.log" }
    }
    {  }
    { "#comment" = "Possible values include: debug, info, notice, warn, error, crit," }
    { "#comment" = "alert, emerg." }
    { "directive" = "LogLevel"
      { "arg" = "warn" }
    }
    {  }
    { "directive" = "CustomLog"
      { "arg" = "/var/log/apache2/access.log" }
      { "arg" = "combined" }
    }
    {  }
    { "directive" = "SSLRequireSSL" }
    {  }
    { "directive" = "Alias"
      { "arg" = "/doc/" }
      { "arg" = "\"/usr/share/doc/\"" }
    }
    { "Directory"
      { "arg" = "\"/usr/share/doc/\"" }
      { "directive" = "Options"
        { "arg" = "Indexes" }
        { "arg" = "MultiViews" }
        { "arg" = "FollowSymLinks" }
      }
      { "directive" = "AllowOverride"
        { "arg" = "None" }
      }
      { "directive" = "Order"
        { "arg" = "deny,allow" }
      }
      { "directive" = "Deny"
        { "arg" = "from" }
        { "arg" = "all" }
      }
      { "directive" = "Allow"
        { "arg" = "from" }
        { "arg" = "127.0.0.0/255.0.0.0" }
        { "arg" = "::1/128" }
      }
    }
  }

(* Eol comment *)
test Httpd.lns get "<a> # a comment
MyDirective Foo
</a>\n" =
  { "a"
    { "#comment" = "a comment" }
    { "directive" = "MyDirective" { "arg" = "Foo" } } }

test Httpd.lns get "<a>
# a comment
</a>\n" =
  { "a" { "#comment" = "a comment" } }

(* Test: Httpd.lns
     Newlines inside quoted value (GH issue #104) *)
test Httpd.lns get "Single 'Foo\\
bar'
Double \"Foo\\
bar\"\n" =
  { "directive" = "Single"
    { "arg" = "'Foo\\\nbar'" } }
  { "directive" = "Double"
    { "arg" = "\"Foo\\\nbar\"" } }

(* Test: Httpd.lns
     Support >= in tags (GH #154) *)
let versioncheck = "
<IfVersion = 2.1>
<IfModule !proxy_ajp_module>
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
</IfModule>
</IfVersion>

<IfVersion >= 2.4>
<IfModule !proxy_ajp_module>
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
</IfModule>
</IfVersion>
"

test Httpd.lns get versioncheck =
  { }
  { "IfVersion"
    { "arg" = "=" }
    { "arg" = "2.1" }
    { "IfModule"
      { "arg" = "!proxy_ajp_module" }
      { "directive" = "LoadModule"
        { "arg" = "proxy_ajp_module" }
        { "arg" = "modules/mod_proxy_ajp.so" }
      }
    }
  }
  { "IfVersion"
    { "arg" = ">=" }
    { "arg" = "2.4" }
    { "IfModule"
      { "arg" = "!proxy_ajp_module" }
      { "directive" = "LoadModule"
        { "arg" = "proxy_ajp_module" }
        { "arg" = "modules/mod_proxy_ajp.so" }
      }
    }
  }


(* GH #220 *)
let double_comment = "<IfDefine Foo>
##
## Comment
##
</IfDefine>\n"

test Httpd.lns get double_comment =
  { "IfDefine"
    { "arg" = "Foo" }
    { "#comment" = "#" }
    { "#comment" = "# Comment" }
    { "#comment" = "#" }
  }

let single_comment = "<IfDefine Foo>
#
## Comment
##
</IfDefine>\n"

test Httpd.lns get single_comment =
  { "IfDefine"
    { "arg" = "Foo" }
    { "#comment" = "# Comment" }
    { "#comment" = "#" }
  }

let single_empty = "<IfDefine Foo>
#

</IfDefine>\n"
test Httpd.lns get single_empty =
  { "IfDefine"
    { "arg" = "Foo" }
  }

let eol_empty = "<IfDefine Foo> #
</IfDefine>\n"
test Httpd.lns get eol_empty =
  { "IfDefine"
    { "arg" = "Foo" }
  }

(* Issue #140 *)
test Httpd.lns get "<IfModule mod_ssl.c>
    # one comment
    # another comment
</IfModule>\n" =
  { "IfModule"
    { "arg" = "mod_ssl.c" }
    { "#comment" = "one comment" }
    { "#comment" = "another comment" }
  }

(* Issue #307: backslashes in regexes *)
test Httpd.lns get "<VirtualHost *:80>
  RewriteRule ^/(.*) http\:\/\/example\.com\/$1 [L,R,NE]
  RewriteRule \.css\.gz$ - [T=text/css,E=no-gzip:1]
</VirtualHost>\n" =
  { "VirtualHost"
    { "arg" = "*:80" }
    { "directive" = "RewriteRule"
      { "arg" = "^/(.*)" }
      { "arg" = "http\:\/\/example\.com\/$1" }
      { "arg" = "[L,R,NE]" } }
    { "directive" = "RewriteRule"
      { "arg" = "\.css\.gz$" }
      { "arg" = "-" }
      { "arg" = "[T=text/css,E=no-gzip:1]" } } }

(* https://github.com/letsencrypt/letsencrypt/issues/1294#issuecomment-161805063 *)
test Httpd.lns get "<IfModule>
</ifModule>\n" =
  { "IfModule" }

(* https://github.com/letsencrypt/letsencrypt/issues/1693 *)
test Httpd.lns get "<IfModule mod_ssl.c>
  <VirtualHost *:443>
          ServerAdmin admin@example.com
  </VirtualHost> </IfModule>\n" =
  { "IfModule"
    { "arg" = "mod_ssl.c" }
    { "VirtualHost"
      { "arg" = "*:443" }
      { "directive" = "ServerAdmin"
        { "arg" = "admin@example.com" } } } }

(* Double quotes inside braces in directive arguments
   https://github.com/letsencrypt/letsencrypt/issues/1766 *)
test Httpd.lns get "SSLRequire %{SSL_CLIENT_S_DN_CN} in {\"foo@bar.com\", bar@foo.com}\n" =
  { "directive" = "SSLRequire"
    { "arg" = "%{SSL_CLIENT_S_DN_CN}" }
    { "arg" = "in" }
    { "wordlist"
      { "arg" = "\"foo@bar.com\"" }
      { "arg" = "bar@foo.com" } } }

(* Issue #330: optional end double quote to directive arg, for messages *)
test Httpd.lns get "SSLCipherSuite \"EECDH+ECDSA+AESGCM EECDH+aRS$\n" =
  { "directive" = "SSLCipherSuite"
    { "arg" = "\"EECDH+ECDSA+AESGCM EECDH+aRS$" } }

test Httpd.lns get "ErrorDocument 404 \"The requested file favicon.ico was not found.\n" =
  { "directive" = "ErrorDocument"
    { "arg" = "404" }
    { "arg" = "\"The requested file favicon.ico was not found." } }

(* Quotes inside a unquoted directive argument
   https://github.com/letsencrypt/letsencrypt/issues/1934 *)
test Httpd.lns get "<VirtualHost *:80>
        WSGIDaemonProcess _graphite processes=5 threads=5 display-name='%{GROUP}' inactivity-timeout=120 user=_graphite group=_graphite
</VirtualHost>\n" =
  { "VirtualHost"
    { "arg" = "*:80" }
    { "directive" = "WSGIDaemonProcess"
      { "arg" = "_graphite" }
      { "arg" = "processes=5" }
      { "arg" = "threads=5" }
      { "arg" = "display-name='%{GROUP}'" }
      { "arg" = "inactivity-timeout=120" }
      { "arg" = "user=_graphite" }
      { "arg" = "group=_graphite" } } }

(* Issue #327: perl blocks *)
test Httpd.lns get "<Perl>
    Apache::AuthDBI->setCacheTime(600);
</Perl>\n" =
  { "Perl" = "\n    Apache::AuthDBI->setCacheTime(600);\n" }

(* Line continuations inside VirtualHost blocks *)
test Httpd.lns get "<VirtualHost \\
    0.0.0.0:7080 \\
    [00000:000:000:0000::2]:7080 \\
    0.0.0.0:7080 \\
    127.0.0.1:7080 \\
    >
</VirtualHost>\n" =
  { "VirtualHost"
    { "arg" = "0.0.0.0:7080" }
    { "arg" = "[00000:000:000:0000::2]:7080" }
    { "arg" = "0.0.0.0:7080" }
    { "arg" = "127.0.0.1:7080" } }

(* Blank line continuations inside VirtualHost blocks *)
test Httpd.lns get "<VirtualHost \\
    0.0.0.0:7080 \\
    \\
    0.0.0.0:7080 \\
    \\
    >
</VirtualHost>\n" =
  { "VirtualHost"
    { "arg" = "0.0.0.0:7080" }
    { "arg" = "0.0.0.0:7080" } }

(* Non-continuation backslashes inside VirtualHost section headings *)
test Httpd.lns get "<FilesMatch \.php$>
  ExpiresActive Off
</FilesMatch>\n" =
  { "FilesMatch"
    { "arg" = "\.php$" }
    { "directive" = "ExpiresActive"
      { "arg" = "Off" } } }

(* Escaped spaces in directive and section arguments *)
test Httpd.lns get "RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /.+/trackback/?\ HTTP/ [NC]\n" =
  { "directive" = "RewriteCond"
    { "arg" = "%{THE_REQUEST}" }
    { "arg" = "^[A-Z]{3,9}\ /.+/trackback/?\ HTTP/" }
    { "arg" = "[NC]" } }

test Httpd.lns get "<FilesMatch \ test\.php$></FilesMatch>\n" =
  { "FilesMatch"
    { "arg" = "\ test\.php$" } }

(* Continuations in comments cause the comment to be continued without a new comment character *)
test Httpd.lns get "#ServerRoot \\\n  /var/www\n" =
  { "#comment" = "ServerRoot \\\n  /var/www" }

(* Empty comments can contain continuations, too. Issue #423 *)
test Httpd.lns get "# \\\n\n" = { }
test Httpd.comment get "# a\\\n\n" = { "#comment" = "a" }
test Httpd.comment get "# \\\na\\\n\n" = { "#comment" = "a" }
test Httpd.comment get "# \\\n\\\na \\\n\\\n\n" = { "#comment" = "a" }

(* Comparison with empty string did not work. Issue #429 *)
test Httpd.dir_args get ">\"a\"" = { "arg" = ">\"a\"" }
test Httpd.dir_args get ">\"\"" = { "arg" = ">\"\"" }
test Httpd.directive get "RewriteCond ${movedPageMap:$1}  >\"a\"\n" =
  { "directive" = "RewriteCond"
    { "arg" = "${movedPageMap:$1}" }
    { "arg" = ">\"a\"" }}
test Httpd.directive get "RewriteCond ${movedPageMap:$1}  >\"\"\n" =
  { "directive" = "RewriteCond"
    { "arg" = "${movedPageMap:$1}" }
    { "arg" = ">\"\"" }}

(* Quoted arguments may or may not have space spearating them. Issue #435 *)
test Httpd.directive get
    "ProxyPassReverse \"/js\" \"http://127.0.0.1:8123/js\"\n" =
  { "directive" = "ProxyPassReverse"
    { "arg" = "\"/js\"" }
    { "arg" = "\"http://127.0.0.1:8123/js\"" } }

test Httpd.directive get
    "ProxyPassReverse \"/js\"\"http://127.0.0.1:8123/js\"\n" =
  { "directive" = "ProxyPassReverse"
    { "arg" = "\"/js\"" }
    { "arg" = "\"http://127.0.0.1:8123/js\"" } }

(* Don't get confused by quoted strings inside bare arguments. Issue #470 *)
test Httpd.directive get
    "RequestHeader set X-Forwarded-Proto https expr=(%{HTTP:CF-Visitor}='{\"scheme\":\"https\"}')\n" =
  { "directive" = "RequestHeader"
    { "arg" = "set" }
    { "arg" = "X-Forwarded-Proto" }
    { "arg" = "https" }
    { "arg" = "expr=(%{HTTP:CF-Visitor}='{\"scheme\":\"https\"}')" } }

(* Issue #577: we make the newline starting a section optional, including
   an empty comment at the end of the line. This used to miss empty comments
   with whitespace *)
test Httpd.lns get "<If cond>#\n</If>\n" = { "If" { "arg" = "cond" } }

test Httpd.lns get "<If cond># \n</If>\n" = { "If" { "arg" = "cond" } }

test Httpd.lns get "<If cond>\n# \n</If>\n" =  { "If" { "arg" = "cond" } }

test Httpd.lns get "<If cond># text\n</If>\n" =
  { "If"
    { "arg" = "cond" }
    { "#comment" = "text" } }

test Httpd.lns get "<If cond>\n\t# text\n</If>\n" =
  { "If"
    { "arg" = "cond" }
    { "#comment" = "text" } }