From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Tue, 24 Aug 2010 19:39:58 +0000 (+0200)
Subject: Added a response function for standard redirection.
X-Git-Tag: 0.1~85
X-Git-Url: http://www.dolda2000.com/gitweb/?p=ashd.git;a=commitdiff_plain;h=46e6630278db9fb3b7aa7150d28fcd90993a5cc9

Added a response function for standard redirection.

These things will always be ugly hacks, so why shouldn't this one be? :-/
---

diff --git a/lib/resp.c b/lib/resp.c
index 63c8eca..c1b74b9 100644
--- a/lib/resp.c
+++ b/lib/resp.c
@@ -83,6 +83,47 @@ void simpleerror(int fd, int code, char *msg, char *fmt, ...)
     buffree(buf);
 }
 
+void stdredir(struct hthead *req, int fd, int code, char *dst)
+{
+    FILE *out;
+    char *sp, *cp, *ep, *path, *url, *adst, *proto, *host;
+    
+    sp = strchr(dst, '/');
+    cp = strchr(dst, ':');
+    if(cp && (!sp || (cp < sp))) {
+	adst = sstrdup(dst);
+    } else {
+	proto = getheader(req, "X-Ash-Protocol");
+	host = getheader(req, "Host");
+	if((proto == NULL) || (host == NULL)) {
+	    /* Not compliant, but there isn't a whole lot to be done
+	     * about it. */
+	    adst = sstrdup(dst);
+	} else {
+	    if(*dst == '/') {
+		path = sstrdup(dst);
+	    } else {
+		if((*(url = req->url)) == '/')
+		    url++;
+		if((ep = strrchr(url, '/')) != NULL)
+		    ep++;
+		else
+		    ep = url;
+		path = sprintf2("%.*s%s", ep - url, url, dst);
+	    }
+	    adst = sprintf2("%s://%s/%s", proto, host, path);
+	    free(path);
+	}
+    }
+    out = fdopen(fd, "w");
+    fprintf(out, "HTTP/1.1 %i Redirection\n", code);
+    fprintf(out, "Content-Length: 0\n");
+    fprintf(out, "Location: %s\n", adst);
+    fprintf(out, "\n");
+    fclose(out);
+    free(adst);
+}
+
 char *fmthttpdate(time_t time)
 {
     /* I avoid using strftime, since it depends on locale settings. */
diff --git a/lib/resp.h b/lib/resp.h
index 90771dc..00f1872 100644
--- a/lib/resp.h
+++ b/lib/resp.h
@@ -1,7 +1,10 @@
 #ifndef _LIB_HTRESP_H
 #define _LIB_HTRESP_H
 
+#include <req.h>
+
 void simpleerror(int fd, int code, char *msg, char *fmt, ...);
+void stdredir(struct hthead *req, int fd, int code, char *dst);
 char *fmthttpdate(time_t time);
 time_t parsehttpdate(char *date);
 
diff --git a/src/plaintcp.c b/src/plaintcp.c
index 03da055..d1d5969 100644
--- a/src/plaintcp.c
+++ b/src/plaintcp.c
@@ -107,6 +107,7 @@ static int initreq(struct conn *conn, struct hthead *req)
 	headappheader(req, "X-Ash-Port", sprintf3("%i", ntohs(((struct sockaddr_in6 *)&tcp->name)->sin6_port)));
     }
     headappheader(req, "X-Ash-Server-Port", sprintf3("%i", tcp->port->sport));
+    headappheader(req, "X-Ash-Protocol", "http");
     return(0);
 }