kore

commit 24fadaef13e377e8dda3bec95b3d9b8a6f4438e1
parent e4f891c69bf1a9f695a90c1efce1fcac0d7c950c
Author: Joris Vink <joris@sanctorum.se>
Date:   Tue, 18 Aug 2026 14:13:50 +0200

Add "http_header" config option for domains.

This configuration option allows you to specify HTTP headers
that are to be sent for each request in that domain.

One HTTP header per http_header configuration.

Example:

domain foo.bar {
	http_header Access-Control-Allow-Origin https://bar.foo.bar
}

Diffstat:
include/kore/kore.h
 | 
8
++++++++
src/config.c
 | 
27
+++++++++++++++++++++++++++
src/domain.c
 | 
1
+
src/http.c
 | 
13
+++++++++----

4 files changed, 45 insertions(+), 4 deletions(-)
diff --git a/include/kore/kore.h b/include/kore/kore.h
@@ -135,6 +135,7 @@ typedef void		KORE_PRIVATE_KEY;
 
 /* XXX hackish. */
 #if !defined(KORE_NO_HTTP)
+struct http_header;
 struct http_request;
 struct http_redirect;
 #endif
@@ -342,6 +343,12 @@ struct kore_route {
 
 #endif
 
+struct kore_headers {
+	char					*name;
+	char					*value;
+	TAILQ_ENTRY(kore_headers)		list;
+};
+
 struct kore_domain {
 	u_int16_t				id;
 	int					logerr;
@@ -366,6 +373,7 @@ struct kore_domain {
 	int					x509_verify_depth;
 #if !defined(KORE_NO_HTTP)
 	TAILQ_HEAD(, kore_route)		routes;
+	TAILQ_HEAD(, http_header)		headers;
 	TAILQ_HEAD(, http_redirect)		redirects;
 #endif
 	TAILQ_ENTRY(kore_domain)		list;
diff --git a/src/config.c b/src/config.c
@@ -129,6 +129,7 @@ static int		configure_http_body_max(char *);
 static int		configure_http_body_timeout(char *);
 static int		configure_filemap_ext(char *);
 static int		configure_filemap_index(char *);
+static int		configure_http_header(char *);
 static int		configure_http_media_type(char *);
 static int		configure_http_hsts_enable(char *);
 static int		configure_http_keepalive_time(char *);
@@ -256,6 +257,7 @@ static struct {
 #if !defined(KORE_NO_HTTP)
 	{ "filemap_ext",		configure_filemap_ext },
 	{ "filemap_index",		configure_filemap_index },
+	{ "http_header",		configure_http_header },
 	{ "http_media_type",		configure_http_media_type },
 	{ "http_header_max",		configure_http_header_max },
 	{ "http_header_timeout",	configure_http_header_timeout },
@@ -1403,6 +1405,31 @@ configure_filemap_index(char *index)
 }
 
 static int
+configure_http_header(char *options)
+{
+	struct http_header	*hdr;
+	char			*argv[4];
+
+	if (current_domain == NULL) {
+		kore_log(LOG_ERR, "add_header keyword not in domain context");
+		return (KORE_RESULT_ERROR);
+	}
+
+	if (kore_split_string(options, " ", argv, 3) != 2) {
+		kore_log(LOG_ERR, "missing parameters for add_header");
+		return (KORE_RESULT_ERROR);
+	}
+
+	hdr = kore_calloc(1, sizeof(*hdr));
+	hdr->header = kore_strdup(argv[0]);
+	hdr->value = kore_strdup(argv[1]);
+
+	TAILQ_INSERT_TAIL(&(current_domain->headers), hdr, list);
+
+	return (KORE_RESULT_OK);
+}
+
+static int
 configure_http_media_type(char *type)
 {
 	int		i;
diff --git a/src/domain.c b/src/domain.c
@@ -64,6 +64,7 @@ kore_domain_new(const char *domain)
 
 #if !defined(KORE_NO_HTTP)
 	TAILQ_INIT(&dom->routes);
+	TAILQ_INIT(&dom->headers);
 	TAILQ_INIT(&dom->redirects);
 #endif
 
diff --git a/src/http.c b/src/http.c
@@ -682,10 +682,10 @@ void
 http_response_fileref(struct http_request *req, int status,
     struct kore_fileref *ref)
 {
-	struct tm	*tm;
-	time_t		mtime;
-	char		tbuf[128];
-	const char	*media_type, *modified;
+	struct tm		*tm;
+	time_t			mtime;
+	char			tbuf[128];
+	const char		*media_type, *modified;
 
 	if (req->owner == NULL)
 		return;
@@ -2499,6 +2499,11 @@ http_response_normal(struct http_request *req, struct connection *c,
 			    hdr->header, hdr->value);
 		}
 
+		TAILQ_FOREACH(hdr, &(req->rt->dom->headers), list) {
+			kore_buf_appendf(header_buf, "%s: %s\r\n",
+			    hdr->header, hdr->value);
+		}
+
 		if (status != 204 && status >= 200 &&
 		    !(req->flags & HTTP_REQUEST_NO_CONTENT_LENGTH)) {
 			kore_buf_appendf(header_buf,