Merge branch 'ew/http_host'

* ew/http_host:
  use Host: header to generate cgit_hosturl

1 files changed, 12 insertions, 7 deletions

diff --git a/ui-shared.c b/ui-shared.c
index 4818e70..c23bc75 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -17,56 +17,61 @@ const char cgit_doctype[] =
 static char *http_date(time_t t)
 {
 	static char day[][4] =
 		{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
 	static char month[][4] =
 		{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
 		 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
 	struct tm *tm = gmtime(&t);
 	return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
 		   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
 		   tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
 void cgit_print_error(char *msg)
 {
 	html("<div class='error'>");
 	html_txt(msg);
 	html("</div>\n");
 }
 
 char *cgit_hosturl()
 {
 	char *host, *port;
 
-	host = getenv("SERVER_NAME");
-	if (!host)
-		return NULL;
-	port = getenv("SERVER_PORT");
-	if (port && atoi(port) != 80)
-		host = xstrdup(fmt("%s:%d", host, atoi(port)));
-	else
+	host = getenv("HTTP_HOST");
+	if (host) {
 		host = xstrdup(host);
+	} else {
+		host = getenv("SERVER_NAME");
+		if (!host)
+			return NULL;
+		port = getenv("SERVER_PORT");
+		if (port && atoi(port) != 80)
+			host = xstrdup(fmt("%s:%d", host, atoi(port)));
+		else
+			host = xstrdup(host);
+	}
 	return host;
 }
 
 char *cgit_rooturl()
 {
 	if (ctx.cfg.virtual_root)
 		return fmt("%s/", ctx.cfg.virtual_root);
 	else
 		return ctx.cfg.script_name;
 }
 
 char *cgit_repourl(const char *reponame)
 {
 	if (ctx.cfg.virtual_root) {
 		return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
 	} else {
 		return fmt("?r=%s", reponame);
 	}
 }
 
 char *cgit_fileurl(const char *reponame, const char *pagename,
 		   const char *filename, const char *query)
 {
 	char *tmp;