From 91723dca0ee9bf68b0147dcf233274cd93f911c8 Mon Sep 17 00:00:00 2001
From: Michael McVady <femtonaut@gmail.com>
Date: Thu, 10 Mar 2022 21:07:10 -0500
Subject: Render something on errors

---
 assets/error.html             |  5 +++++
 assets/post.html              |  8 ++++----
 assets/static/css/default.css |  2 +-
 conf/clog.conf                |  3 ++-
 src/clog.c                    | 24 ++++++++++++++++++------
 5 files changed, 30 insertions(+), 12 deletions(-)
 create mode 100644 assets/error.html

diff --git a/assets/error.html b/assets/error.html
new file mode 100644
index 0000000..789988a
--- /dev/null
+++ b/assets/error.html
@@ -0,0 +1,5 @@
+
+<div class="head">
+<h1>%s</h1>
+</div>
+
diff --git a/assets/post.html b/assets/post.html
index 8b105aa..a199fd6 100644
--- a/assets/post.html
+++ b/assets/post.html
@@ -1,13 +1,13 @@
-<!-- begin post: {{ post.id }} -->
+
 <div class="post">
 <hr class="hdiv"/>
 <div class="head">
 <h2><span class="title">%s</span></h2>
-<span class="date">%s <!-- {{ post.epoch }} --></span>
+<span class="date">%s</span>
 </div>
 <div class="body">
 %s
-</div> <!--body-->
+</div>
 <hr class="hdiv"/>
 </div>
-<!-- end post: {{ post.id }} -->
+
diff --git a/assets/static/css/default.css b/assets/static/css/default.css
index 3db6da0..c6dcf9a 100644
--- a/assets/static/css/default.css
+++ b/assets/static/css/default.css
@@ -102,7 +102,7 @@ body {
 	opacity: 0.5;
 	padding: 1px;
 	font-size: 40pt;
-	height: 0.9em;
+	/* height: 0.9em; */
 	text-shadow: 0.0em 0.0em 0.2em rgb(230,230,255);
 }
 
diff --git a/conf/clog.conf b/conf/clog.conf
index c22fc73..a45a039 100644
--- a/conf/clog.conf
+++ b/conf/clog.conf
@@ -9,7 +9,8 @@ load ./clog.so init
 
 workers 4
 
-seccomp_tracing no
+# seccomp_tracing no
+seccomp_tracing yes
 
 domain * {
 	attach notls
diff --git a/src/clog.c b/src/clog.c
index 36f0a96..9364a2f 100644
--- a/src/clog.c
+++ b/src/clog.c
@@ -13,7 +13,9 @@
 #include "../lib/md4c/src/md4c-html.c"
 
 KORE_SECCOMP_FILTER("clog",
-    KORE_SYSCALL_ALLOW(getdents64)
+    KORE_SYSCALL_ALLOW(getdents64),
+    KORE_SYSCALL_ALLOW(sendmmsg),
+    KORE_SYSCALL_ALLOW(uname)
 )
 
 int init(int);
@@ -68,6 +70,9 @@ render_posts(struct http_request *req, const char *resource)
 	// Post attributes/query results.
 	char *id, *title, *created_at, *body;
 
+	// Start writing HTML.
+	kore_buf_append(resp_buf, asset_index_begin_html, asset_len_index_begin_html);
+
 	// Setup SQL
 	kore_pgsql_init(&sql);
 
@@ -76,16 +81,18 @@ render_posts(struct http_request *req, const char *resource)
 	// kore_pgsql_register()). We also say we will perform a synchronous
 	// query (KORE_PGSQL_SYNC).
 	err = kore_pgsql_setup(&sql, database, KORE_PGSQL_SYNC);
-	kore_log(LOG_ERR, "kore_pgsql_setup: %d", err);
+	kore_log(LOG_DEBUG, "kore_pgsql_setup: %d", err);
 	if (!err)
 	{
+		kore_buf_appendf(
+			resp_buf,
+			(const char *) asset_error_html,
+			"There was an error processing the request."
+		);
 		kore_pgsql_logerror(&sql);
 		goto out;
 	}
 
-	// Start writing HTML.
-	kore_buf_append(resp_buf, asset_index_begin_html, asset_len_index_begin_html);
-
 	// Query for posts, check for error.
 	if (!resource) {
 		// Query all posts.
@@ -107,6 +114,11 @@ render_posts(struct http_request *req, const char *resource)
 		);
 	}
 	if (!err) {
+		kore_buf_appendf(
+			resp_buf,
+			(const char *) asset_error_html,
+			"There was an error processing the request."
+		);
 		kore_pgsql_logerror(&sql);
 		goto out;
 	}
@@ -118,7 +130,7 @@ render_posts(struct http_request *req, const char *resource)
 		title = kore_pgsql_getvalue(&sql, row, 1);
 		created_at = kore_pgsql_getvalue(&sql, row, 2);
 		body = kore_pgsql_getvalue(&sql, row, 3);
-		kore_log(LOG_NOTICE, "id: '%s'; title '%s'", id, title);
+		kore_log(LOG_DEBUG, "id: '%s'; title '%s'", id, title);
 
 		// Allocate a buffer to render the markdown as HTML into.
 		struct kore_buf *html_buf = kore_buf_alloc(0);
-- 
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