style_header("Server Administration");

  /* Make sure the header contains <base href="...">.   Issue a warning
  ** if it does not. */
  if( !cgi_header_contains("<base href=") ){
    @ <p class="generalError"><b>Configuration Error:</b> Please add
    @ <tt>&lt;base href="$secureurl/$current_page"&gt;</tt> after
    @ <tt>&lt;head&gt;</tt> in the <a href="setup_header">HTML header</a>!</p>
    @ <tt>&lt;head&gt;</tt> in the <a href="setup_skinedit?w=2">HTML header</a>!</p>
  }

#if !defined(_WIN32)
  /* Check for /dev/null and /dev/urandom.  We want both devices to be present,
  ** but they are sometimes omitted (by mistake) from chroot jails. */
  if( access("/dev/null", R_OK|W_OK) ){
    @ <p class="generalError">WARNING: Device "/dev/null" is not available

    "Configure the trouble-ticketing system for this repository");
  setup_menu_entry("Search","srchsetup",
    "Configure the built-in search engine");
  setup_menu_entry("Transfers", "xfersetup",
    "Configure the transfer system for this repository");
  setup_menu_entry("Skins", "setup_skin",
    "Select from a menu of prepackaged \"skins\" for the web interface");
  setup_menu_entry("CSS", "setup_editcss",
  setup_menu_entry("CSS", "setup_skinedit?w=0",
    "Edit the Cascading Style Sheet used by all pages of this repository");
  setup_menu_entry("Header", "setup_header",
  setup_menu_entry("Header", "setup_skinedit?w=2",
    "Edit HTML text inserted at the top of every page");
  setup_menu_entry("Footer", "setup_footer",
  setup_menu_entry("Footer", "setup_skinedit?w=1",
    "Edit HTML text inserted at the bottom of every page");
  setup_menu_entry("Moderation", "setup_modreq",
    "Enable/Disable requiring moderator approval of Wiki and/or Ticket"
    " changes and attachments.");
  setup_menu_entry("Ad-Unit", "setup_adunit",
    "Edit HTML text for an ad unit inserted after the menu bar");
  setup_menu_entry("Logo", "setup_logo",

  }
  @ /> <b>%s(zLabel)</b>
}

/*
** Generate a text box for an attribute.
*/
static void textarea_attribute(
const char *textarea_attribute(
  const char *zLabel,   /* The text label on the textarea */
  int rows,             /* Rows in the textarea */
  int cols,             /* Columns in the textarea */
  const char *zVar,     /* The corresponding row in the VAR table */
  const char *zQP,      /* The query parameter */
  const char *zDflt,    /* Default value if VAR table entry does not exist */
  int disabled          /* 1 if the textarea should  not be editable */

      @ disabled="disabled"
    }
    @ cols="%d(cols)">%h(z)</textarea>
    if( zLabel && *zLabel ){
      @ <span class="textareaLabel">%s(zLabel)</span>
    }
  }
  return z;
}

/*
** Generate a text box for an attribute.
*/
static void multiple_choice_attribute(
  const char *zLabel,   /* The text label on the menu */

  @ <hr />
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  db_end_transaction(0);
  style_footer();
}

/*
** WEBPAGE: setup_editcss
*/
void setup_editcss(void){
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  if( P("clear")!=0 ){
    db_multi_exec("DELETE FROM config WHERE name='css'");
    cgi_replace_parameter("css", builtin_text("skins/default/css.txt"));
    db_end_transaction(0);
    cgi_redirect("setup_editcss");
  }
  if( P("submit")!=0 ){
    textarea_attribute(0, 0, 0, "css", "css",
                       builtin_text("skins/default/css.txt"), 0);
    db_end_transaction(0);
    cgi_redirect("setup_editcss");
  }
  style_header("Edit CSS");
  @ <form action="%s(g.zTop)/setup_editcss" method="post"><div>
  login_insert_csrf_secret();
  @ Edit the CSS below:<br />
  textarea_attribute("", 35, 80, "css", "css",
                     builtin_text("skins/default/css.txt"), 0);
  @ <br />
  @ <input type="submit" name="submit" value="Apply Changes" />
  @ <input type="submit" name="clear" value="Revert To Default" />
  @ </div></form>
  @ <p><span class="note">Note:</span> Press your browser Reload button after
  @ modifying the CSS in order to pull in the modified CSS file.</p>
  @ <hr />
  @ The default CSS is shown below for reference.  Other examples
  @ of CSS files can be seen on the <a href="setup_skin">skins page</a>.
  @ See also the <a href="setup_header">header</a> and
  @ <a href="setup_footer">footer</a> editing screens.
  @ <blockquote><pre>
  cgi_append_default_css();
  @ </pre></blockquote>
  style_footer();
  db_end_transaction(0);
}

/*
** WEBPAGE: setup_header
*/
void setup_header(void){
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  if( P("clear")!=0 ){
    db_multi_exec("DELETE FROM config WHERE name='header'");
    cgi_replace_parameter("header", builtin_text("skins/default/header.txt"));
  }else if( P("submit")!=0 ){
    textarea_attribute(0, 0, 0, "header", "header",
                       builtin_text("skins/default/header.txt"), 0);
  }else if( P("fixbase")!=0 ){
    const char *z = db_get("header",
                           (char*)builtin_text("skins/default/header.txt"));
    char *zHead = strstr(z, "<head>");
    if( strstr(z, "<base href=")==0 && zHead!=0 ){
      char *zNew;
      char *zTail = &zHead[6];
      while( fossil_isspace(zTail[0]) ) zTail++;
      zNew = mprintf("%.*s\n<base href=\"$secureurl/$current_page\" />\n%s",
                     zHead+6-z, z, zTail);
      cgi_replace_parameter("header", zNew);
      db_set("header", zNew, 0);
    }
  }

  style_header("Edit Page Header");
  @ <form action="%R/setup_header" method="post"><div>

  /* Make sure the header contains <base href="...">.   Issue a warning
  ** if it does not. */
  if( !cgi_header_contains("<base href=") ){
    @ <p class="generalError">Please add
    @ <tt>&lt;base href="$secureurl/$current_page"&gt;</tt> after
    @ <tt>&lt;head&gt;</tt> in the header!
    @ <input type="submit" name="fixbase" value="Add &lt;base&gt; Now"></p>
  }

  login_insert_csrf_secret();
  @ <p>Edit HTML text with embedded TH1 (a Tcl dialect) that will be used to
  @ generate the beginning of every page through start of the main
  @ menu.</p>
  textarea_attribute("", 35, 80, "header", "header",
                     builtin_text("skins/default/header.txt"), 0);
  @ <br />
  @ <input type="submit" name="submit" value="Apply Changes" />
  @ <input type="submit" name="clear" value="Revert To Default" />
  @ </div></form>
  @ <hr />
  @ The default header is shown below for reference.  Other examples
  @ of headers can be seen on the <a href="setup_skin">skins page</a>.
  @ See also the <a href="setup_editcss">CSS</a> and
  @ <a href="setup_footer">footer</a> editing screens.
  @ <blockquote><pre>
  @ %h(builtin_text("skins/default/header.txt"))
  @ </pre></blockquote>
  style_footer();
  db_end_transaction(0);
}

/*
** WEBPAGE: setup_footer
*/
void setup_footer(void){
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  if( P("clear")!=0 ){
    db_multi_exec("DELETE FROM config WHERE name='footer'");
    cgi_replace_parameter("footer", builtin_text("skins/default/footer.txt"));
  }

  style_header("Edit Page Footer");
  @ <form action="%s(g.zTop)/setup_footer" method="post"><div>
  login_insert_csrf_secret();
  @ <p>Edit HTML text with embedded TH1 (a Tcl dialect) that will be used to
  @ generate the end of every page.</p>
  textarea_attribute("", 20, 80, "footer", "footer",
                     builtin_text("skins/default/footer.txt"), 0);
  @ <br />
  @ <input type="submit" name="submit" value="Apply Changes" />
  @ <input type="submit" name="clear" value="Revert To Default" />
  @ </div></form>
  @ <hr />
  @ The default footer is shown below for reference.  Other examples
  @ of footers can be seen on the <a href="setup_skin">skins page</a>.
  @ See also the <a href="setup_editcss">CSS</a> and
  @ <a href="setup_header">header</a> editing screens.
  @ <blockquote><pre>
  @ %h(builtin_text("skins/default/footer.txt"))
  @ </pre></blockquote>
  style_footer();
  db_end_transaction(0);
}

/*
** WEBPAGE: setup_modreq
*/
void setup_modreq(void){
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);

  @ </div></form>
  @ <hr />
  @ <b>Ad-Unit Notes:</b><ul>
  @ <li>Leave both Ad-Units blank to disable all advertising.
  @ <li>The "Banner Ad-Unit" is used for wide pages.
  @ <li>The "Right-Column Ad-Unit" is used on pages with tall, narrow content.
  @ <li>If the "Right-Column Ad-Unit" is blank, the "Banner Ad-Unit" is used on all pages.
  @ <li>Suggested <a href="setup_editcss">CSS</a> changes:
  @ <li>Suggested <a href="setup_skinedit?w=0">CSS</a> changes:
  @ <blockquote><pre>
  @ div.adunit_banner {
  @   margin: auto;
  @   width: 100%;
  @ }
  @ div.adunit_right {
  @   float: right;

  @ </p></blockquote>
  @
  @ <form action="%s(g.zTop)/setup_logo" method="post"
  @  enctype="multipart/form-data"><div>
  @ <p>The logo is accessible to all users at this URL:
  @ <a href="%s(g.zBaseURL)/logo">%s(g.zBaseURL)/logo</a>.
  @ The logo may or may not appear on each
  @ page depending on the <a href="setup_editcss">CSS</a> and
  @ <a href="setup_header">header setup</a>.
  @ page depending on the <a href="setup_skinedit?w=0">CSS</a> and
  @ <a href="setup_skinedit?w=2">header setup</a>.
  @ To change the logo image, use the following form:</p>
  login_insert_csrf_secret();
  @ Logo Image file:
  @ <input type="file" name="logoim" size="60" accept="image/*" />
  @ <p align="center">
  @ <input type="submit" name="setlogo" value="Change Logo" />
  @ <input type="submit" name="clrlogo" value="Revert To Default" /></p>
  @ </div></form>
  @ <hr />
  @
  @ <p>The current background image has a MIME-Type of <b>%h(zBgMime)</b>
  @ and looks like this:</p>
  @ <blockquote><p><img src="%s(g.zTop)/background/%z(zBgMtime)" alt="background" border=1 />
  @ </p></blockquote>
  @
  @ <form action="%s(g.zTop)/setup_logo" method="post"
  @  enctype="multipart/form-data"><div>
  @ <p>The background image is accessible to all users at this URL:
  @ <a href="%s(g.zBaseURL)/background">%s(g.zBaseURL)/background</a>.
  @ The background image may or may not appear on each
  @ page depending on the <a href="setup_editcss">CSS</a> and
  @ <a href="setup_header">header setup</a>.
  @ page depending on the <a href="setup_skinedit?w=0">CSS</a> and
  @ <a href="setup_skinedit?w=2">header setup</a>.
  @ To change the background image, use the following form:</p>
  login_insert_csrf_secret();
  @ Background image file:
  @ <input type="file" name="bgim" size="60" accept="image/*" />
  @ <p align="center">
  @ <input type="submit" name="setbg" value="Change Background" />
  @ <input type="submit" name="clrbg" value="Revert To Default" /></p>