Posts and custom post types do not work over SSL with the Custom Permalinks plugin for Wordpress. This patch uses home_url() instead of get_options('home') so that we respect the protocol for the custom permalink.

https_posts_404.patch

Index: custom-permalinks.php
===================================================================
--- custom-permalinks.php  (revision 2657)
+++ custom-permalinks.php	(revision 2658)
@@ -41,7 +41,7 @@
 function custom_permalinks_post_link($permalink, $post) {
 	$custom_permalink = get_post_meta( $post->ID, 'custom_permalink', true );
 	if ( $custom_permalink ) {
-		return get_home_url()."/".$custom_permalink;
+		return home_url()."/".$custom_permalink;
 	}
 	
 	return $permalink;
@@ -57,7 +57,7 @@
 function custom_permalinks_page_link($permalink, $page) {
 	$custom_permalink = get_post_meta( $page, 'custom_permalink', true );
 	if ( $custom_permalink ) {
-		return get_home_url()."/".$custom_permalink;
+		return home_url()."/".$custom_permalink;
 	}
 	
 	return $permalink;
@@ -77,7 +77,7 @@
 	$custom_permalink = custom_permalinks_permalink_for_term($term);
 	
 	if ( $custom_permalink ) {
-		return get_home_url()."/".$custom_permalink;
+		return home_url()."/".$custom_permalink;
 	}
 	
 	return $permalink;
@@ -131,7 +131,7 @@
 		// Append any query compenent
 		$url .= strstr($_SERVER['REQUEST_URI'], "?");
 		
-		wp_redirect( get_home_url()."/".$url, 301 );
+		wp_redirect( home_url()."/".$url, 301 );
 		exit();
 	}	
 }
@@ -411,7 +411,7 @@
 		<th scope="row"><?php _e('Custom Permalink', 'custom-permalink') ?></th>
 		<td>
 	<?php endif; ?>
-			<?php echo get_home_url() ?>/
+			<?php echo home_url() ?>/
 			<input type="text" class="text" value="<?php echo htmlspecialchars($permalink ? urldecode($permalink) : urldecode($original)) ?>" 
 				style="width: 250px; <?php if ( !$permalink ) echo 'color: #ddd;' ?>"
 			 	onfocus="if ( this.style.color = '#ddd' ) { this.style.color = '#000'; }" 
@@ -630,7 +630,7 @@
 			$row = array();
 			$term = get_term($info['id'], ($info['kind'] == 'tag' ? 'post_tag' : 'category'));
 			$row['id'] = $info['kind'].'.'.$info['id'];
-			$row['permalink'] = get_home_url()."/".$permalink;
+			$row['permalink'] = home_url()."/".$permalink;
 			$row['type'] = ucwords($info['kind']);
 			$row['title'] = $term->name;
 			$row['editlink'] = ( $info['kind'] == 'tag' ? 'edit-tags.php?action=edit&taxonomy=post_tag&tag_ID='.$info['id'] : 'edit-tags.php?action=edit&taxonomy=category&tag_ID='.$info['id'] );
@@ -666,7 +666,7 @@
 function custom_permalinks_original_post_link($post_id) {
 	remove_filter( 'post_link', 'custom_permalinks_post_link', 10, 2 ); // original hook
 	remove_filter( 'post_type_link', 'custom_permalinks_post_link', 10, 2 );
-	$originalPermalink = ltrim(str_replace(get_option('home'), '', get_permalink( $post_id )), '/');
+	$originalPermalink = ltrim(str_replace(home_url(), '', get_permalink( $post_id )), '/');
 	add_filter( 'post_link', 'custom_permalinks_post_link', 10, 2 ); // original hook
 	add_filter( 'post_type_link', 'custom_permalinks_post_link', 10, 2 );
 	return $originalPermalink;
@@ -681,7 +681,7 @@
 function custom_permalinks_original_page_link($post_id) {
 	remove_filter( 'page_link', 'custom_permalinks_page_link', 10, 2 );
 	remove_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
-	$originalPermalink = ltrim(str_replace(get_home_url(), '', get_permalink( $post_id )), '/');
+	$originalPermalink = ltrim(str_replace(home_url(), '', get_permalink( $post_id )), '/');
 	add_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
 	add_filter( 'page_link', 'custom_permalinks_page_link', 10, 2 );
 	return $originalPermalink;
@@ -697,7 +697,7 @@
 function custom_permalinks_original_tag_link($tag_id) {
 	remove_filter( 'tag_link', 'custom_permalinks_term_link', 10, 2 );
 	remove_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
-	$originalPermalink = ltrim(str_replace(get_home_url(), '', get_tag_link($tag_id)), '/');
+	$originalPermalink = ltrim(str_replace(home_url(), '', get_tag_link($tag_id)), '/');
 	add_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
 	add_filter( 'tag_link', 'custom_permalinks_term_link', 10, 2 );
 	return $originalPermalink;
@@ -712,7 +712,7 @@
 function custom_permalinks_original_category_link($category_id) {
 	remove_filter( 'category_link', 'custom_permalinks_term_link', 10, 2 );
 	remove_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
-	$originalPermalink = ltrim(str_replace(get_home_url(), '', get_category_link($category_id)), '/');
+	$originalPermalink = ltrim(str_replace(home_url(), '', get_category_link($category_id)), '/');
 	add_filter( 'user_trailingslashit', 'custom_permalinks_trailingslash', 10, 2 );
 	add_filter( 'category_link', 'custom_permalinks_term_link', 10, 2 );
 	return $originalPermalink;
@@ -747,12 +747,6 @@
 		wp_enqueue_script('admin-forms');
 }
 
-if ( !function_exists("get_home_url") ) {
-    function get_home_url() {
-        return get_option('home');
-    }
-}
-
 # Check whether we're running within the WP environment, to avoid showing errors like
 # "Fatal error: Call to undefined function get_bloginfo() in C:\xampp\htdocs\custom-permalinks\custom-permalinks.php on line 753"
 # and similar errors that occurs when the script is called directly to e.g. find out the full path.